Agnatha is an example of ________
1. Sub-phylum
2.Phylum
3.Super-class
4.Class
Posted Date:-2024-02-12 15:33:13
In earthworms, ovarian funnels open into the ______
1.spermathecae
2. female genital pore
3.ovary
4.oviduct
Posted Date:-2024-02-12 17:31:24
In which of these structures is collagen fibers present in rows between parallel bundles of fibers?
1.Skin
2.Submucosa of digestive tract
3.Tendon
4.Tunica albuginea
Posted Date:-2024-02-12 17:17:43
Respiratory exchange in earthworms takes place through ______
1.gills
2.mouth
3. body surface
4.lungs
Posted Date:-2024-02-12 16:26:48
The epidermis of earthworm is made of ______
1. squamous epithelial cells
2. cuboidal epithelial cells
3.columnar epithelial cells
4.multi-layered squamous epithelial cells
Posted Date:-2024-02-12 16:17:15
What type of tissue does the given figure represent?
1.Dense regular
2.Areolar tissue
3.Dense irregular
4.Adipose
Posted Date:-2024-02-12 17:12:47
When a neuron is stimulated, the electrical signal travels along the _______
1. plasma membrane
2.cytoplasm
3.cytoskeleton
4. extracellular matrix
Posted Date:-2024-02-12 17:19:13
When a neuron is stimulated, the electrical signal travels along the _______
1. plasma membrane
2.cytoplasm
3.cytoskeleton
4. extracellular matrix
Posted Date:-2024-02-12 17:19:16
When a neuron is stimulated, the electrical signal travels along the _______
1. plasma membrane
2.cytoplasm
3.cytoskeleton
4. extracellular matrix
Posted Date:-2024-02-12 17:19:16
When a neuron is stimulated, the electrical signal travels along the _______
1. plasma membrane
2.cytoplasm
3.cytoskeleton
4. extracellular matrix
Posted Date:-2024-02-12 17:19:16
When a neuron is stimulated, the electrical signal travels along the _______
1. plasma membrane
2.cytoplasm
3.cytoskeleton
4. extracellular matrix
Posted Date:-2024-02-12 17:19:16
When a neuron is stimulated, the electrical signal travels along the _______
1. plasma membrane
2.cytoplasm
3.cytoskeleton
4. extracellular matrix
Posted Date:-2024-02-12 17:19:17
When a neuron is stimulated, the electrical signal travels along the _______
1. plasma membrane
2.cytoplasm
3.cytoskeleton
4. extracellular matrix
Posted Date:-2024-02-12 17:19:28
When a neuron is stimulated, the electrical signal travels along the _______
1. plasma membrane
2.cytoplasm
3.cytoskeleton
4. extracellular matrix
Posted Date:-2024-02-12 17:19:53
Which among the following is incorrect about acoelomates?
1. Body cavity is absent in these type of organisms
2.Coelenterates are the best examples for acoelomates
3.Mesoderm holds the internal organs in its own place
4.Nematodes also belong to acoelomates
Posted Date:-2024-02-12 15:36:55
Which among the following is incorrect about Agnatha?
1. These are also called as jawless fishes
2. Scales and fins are present
3.They adopt parasitic mode of nutrition
4.They have a circular mouth that acts as sucker
Posted Date:-2024-02-12 15:33:39
Which among the following is incorrect about chordates?
1.They must have notochord at every point of their life
2. They have a post anal tail
3.They have hollow dorsal nerve cord
4.They have a ventral heart
Posted Date:-2024-02-12 15:30:32
Which among the following is incorrect about Tetrapoda?
1.Lobe-finned fishes were ancestors of tetrapods
2. Tetrapoda are classified into 4 sub-classes i.e. Amphibia, Reptilia, Aves and Mammalia
3.The word tetrapoda means those that have four chambered heart
4.Most of them are terrestrial
Posted Date:-2024-02-12 16:48:26
Which of the following cellular junctions create a cytoplasmic connection between adjoining cells?
1. Tight junctions
2.Adhering junctions
3.Gap junctions
4.Occluding junctions
Posted Date:-2024-02-12 17:16:23
Which of the following is not a secretion of exocrine glands?
1.Mucus
2.Saliva
3.Hormones
4.Ear wax
Posted Date:-2024-02-12 16:56:47
Which of the following is not a type of nephridia present in earthworm?
1.Intestinal
2.Septal
3.Integumentary
4.Pharyngeal
Posted Date:-2024-02-12 16:27:55
Which of these is not a secondary lymphoid organ?
1.Lymph nodes
2.Tonsils
3.Spleen
4.Thymus
Posted Date:-2024-02-12 17:17:16
Arthropods excrete through ___________
1.Malpighian tubules
2.Pores
3.Nephridia
4.Kidneys
Posted Date:-2024-02-12 16:33:28
At which of these segments does the nerve cord of the earthworm divide into two parts?
1.5th, 6th
2.8th, 9th
3. 3rd, 4th
4.11th, 12th
Posted Date:-2024-02-12 17:27:42
How many ovaries are present in an earthworm?
1.4
2.1
3.2
4.6
Posted Date:-2024-02-12 17:30:59
How many testes does Pheretima possess?
1. 1
2. 2
3.4
4.6
Posted Date:-2024-02-12 17:29:28
Identify the correct pathway of food ingested by an earthworm.
1.Mouth?Pharynx?Esophagus?Gizzard
2.Mouth?Esophagus?Pharynx?Gizzard
3.Mouth?Esophagus?Gizzard?Pharynx
4.Mouth?Pharynx?Gizzard?Esophagus
Posted Date:-2024-02-12 16:22:42
Microvilli is present in the epithelium of _______
1.walls of blood vessels
2.air sacs of lungs
3.proximal convoluted tubule of nephron
4. skin surface
Posted Date:-2024-02-12 17:14:55
Notochord is formed by __________
1.Mesodermal cells
2.Ectodermal cells
3.Epidermal cells
4. Endodermal cells
Posted Date:-2024-02-12 15:38:07
Osteocytes are present in spaces called __
1.lamellae
2.lacunae
3. lacrimal sacs
4.lacteals
Posted Date:-2024-02-12 17:18:08
The body wall of the earthworm is externally covered by ______
1.mucous
2.capsule
3.epidermis
4.cuticle
Posted Date:-2024-02-12 16:16:44
The body wall of the earthworm is externally covered by ______
1.mucous
2.capsule
3.epidermis
4.cuticle
Posted Date:-2024-02-12 16:16:45
The buccal cavity of the earthworm leads to the _____
1.gizzard
2.esophagus
3.pharynx
4.anus
Posted Date:-2024-02-12 16:21:58
The classification of glands is based on which of the following?
1.Mode of differentiation
2.Mode of pouring of secretions
3.Mode of cellular division
4.Number of cells
Posted Date:-2024-02-12 16:55:29
The common prostate and spermatic duct of earthworms is known as ______
1.vasa deferentia
2. vasa efferentia
3.spermathecae
4.oviduct
Posted Date:-2024-02-12 17:29:56
Using earthworms to increase soil fertility is called ______
1.vermicomposting
2.sericulture
3.apiculture
4.pisciculture
Posted Date:-2024-02-12 17:32:33
What does adipose tissue store?
1.Proteins
2.Fat
3.Glycogen
4.Water
Posted Date:-2024-02-12 17:20:21
What does the question mark represent in the following figure?
1.Mast cell
2.Fibroblast
3.Collagen fibres
4.Macrophage
Posted Date:-2024-02-12 16:59:39
What is exchanged during mating in earthworms?
1.Typhlosole
2.Ova
3.Spermatophores
4.Cocoons
Posted Date:-2024-02-12 17:31:45
What is the excretory organ in earthworm known as?
1.Gizzard
2.Typhlosole
3.Nephridium
4.Setae
Posted Date:-2024-02-12 16:27:15
What is the function of gizzard in earthworm?
1.Secretion of digestive enzymes
2.Grinding soil particles and leaves
3.Absorption of water
4.It is a respiratory structure
Posted Date:-2024-02-12 16:23:12
What is the function of typhlosole in earthworm?
1.Mechanical breakdown of food
2. Secretes digestive enzymes
3. Increases the surface area for absorption
4. Excretes waste products
Posted Date:-2024-02-12 16:25:34
What is the main function of compound epithelium?
1.Secretion
2.Protection
3.Absorption
4.Discharge
Posted Date:-2024-02-12 17:15:53
What is the name of the tissue given in the following figure?
1. Areolar tissue
2. Adipose tissue
3.Bone
4.Cartilage
Posted Date:-2024-02-12 17:11:47
What is the role of spermathecae?
1. Sperm is produced here at the time of mating
2.It is an accessory organ
3.It is vestigial
4. It stores spermatozoa during mating
Posted Date:-2024-02-12 17:30:23
What type of tissue does the following diagram represent?
1.Dense regular
2.Dense irregular
3.Loose connective
4.Adipose tissue
Posted Date:-2024-02-12 17:12:19
What type of tissue is present in the lining of ducts?
1.Connective
2.Neural
3.Muscular
4.Epithelial
Posted Date:-2024-02-12 17:14:07
Where are the calciferous glands of the earthworm present?
1.Esophagus
2.Gizzard
3.Stomach
4.Intestine
Posted Date:-2024-02-12 16:24:16
Where does fertilization occur for the earthworm?
1.Ovary
2.Spermathecae
3.Cocoon
4.Female genital pore
Posted Date:-2024-02-12 17:32:10
Which among the following is an incorrect statement about circulatory system in Pisces?
1. Their circulatory system is of closed type
2.They have two-chambered heart i.e. they have an auricle and a ventricle
3. They have a single circulatory system with gills i.e. oxygenated blood is pumped to body parts only once
4. Auricle is also called receiving chamber and ventricle is also called as pumping chamber
Posted Date:-2024-02-12 16:39:03
Which among the following is coelomate, bilateral and has organ system level of organization?
1.Hemichordates
2.Aschelminthes
3.Coelenterata
4.Platyhelminthes
Posted Date:-2024-02-12 15:39:14
Which among the following is incorrect about Amphibia?
1.They can live both on land and water
2.They are warm-blooded animals
3.They have three chambered heart
4.They have gills/ lungs to respire
Posted Date:-2024-02-12 16:49:06
Which among the following is incorrect about Annelids?
1.The name Annelids is derived from the word “Annulus” which means small ring like structure
2.Some of these organisms are dioecious while few others are monoecious
3. The level of organization in these organisms is organ level of organization
4. The circulatory system is of open type
Posted Date:-2024-02-12 16:33:04
Which among the following is incorrect about Arthropoda?
1.This is the second largest phylum of Animalia Kingdom
2.They have jointed legs due to which they are named Arthropoda
3.Their jointed legs help them in fast mobility
4. Their body is bilaterally symmetrical
Posted Date:-2024-02-12 16:30:16
Which among the following is incorrect about Aves?
1. Scales are absent and skin is dry except at the one end there is an oil gland
2.Endoskeleton is made of bones and they respire through lungs
3.They have cold-blooded animals
4.They are dioecious and oviparous
Posted Date:-2024-02-12 16:52:55
Which among the following is incorrect about chordata?
1. They have paired muscles
2.Post anal tail must be present in chordates
3.Their notochord vanishes after certain period of time
4.Pharyngeal gill slits are present
Posted Date:-2024-02-12 15:31:03
Which among the following is incorrect about classification on the basis of coelom?
1.Coelom is the cavity between the body wall and gut wall
2.Animals are divided into coelomates, acoelomates and pseudocoelomates
3. Coelom is the fluid filled space other than lymph vessels and blood vessels
4. In coelomates, cavities between the gut wall and mesoderm is absent
Posted Date:-2024-02-12 15:35:25
Which among the following is incorrect about coelomates?
1.Coelomates is also called as Eucoelomates
2. Body cavity is lined by mesoderm
3.Internal organs are suspended in the coelom and is attached through peritonium
4. Porifera is the best example for coelomates
Posted Date:-2024-02-12 15:36:29
Which among the following is incorrect about Cyclostomata?
1. Their vertebral column is made of cartilage
2.Lamprey and hagfish are examples of this class
3.Their digestive system is complete with stomach, food pipe and intestines
4. Their circulatory system is closed with a 2 chambered heart
Posted Date:-2024-02-12 15:34:06
Which among the following is incorrect about Gnathostomata?
1.These are vertebrates with jaws
2. This super class is classified into Pisces and tetrapods based on their type of blood
3.Pisces use fins for their movement
4.Tetrapods use limbs for their movement
Posted Date:-2024-02-12 15:34:38
Which among the following is incorrect about Mammals?
1.They are mostly terrestrial and feed their young ones with milk
2. Scales are absent, instead hairs, sweat and oil glands on skin
3.They respire through lungs and their heart is four-chambered
4.Bats are the only mammals that lay eggs and feed their young ones with milk
Posted Date:-2024-02-12 16:53:23
Which among the following is incorrect about nervous system in Annelids?
1.Each segment has ganglia that help in the muscular movements
2.They have two ventral nerve chords throughout the body
3.Specialized sensory receptors to help in sense of touch and light
4. The pigmented photo receptors are called Oceli
Posted Date:-2024-02-12 16:34:41
Which among the following is incorrect about nervous system in Nematodes?
1.Nerve ring made of four ganglia serves as brain
2.Nerve chords are present on the dorsal and ventral side of their body
3.Dorsal nerves act as sensory nerves of the body
4. Ventral nerves act as both motor controllers and sensory nerves of the body
Posted Date:-2024-02-12 16:35:19
Which among the following is incorrect about notochords?
1.Notochord is a rod-like structure on the dorsal side of the animals
2.During the embryonic development notochord is formed on the dorsal side
3.Notochord is formed from epidermal cells
4.Pisces are an example for chordates
Posted Date:-2024-02-12 15:38:49
Which among the following is incorrect about organ system in Amphibia?
1. In amphibians, blood passes the heart twice
2.Left auricle deals with deoxygenated blood
3.Ventricle deals with both oxygenated and deoxygenated blood
4.Tympanum represents ears in amphibians
Posted Date:-2024-02-12 16:49:34
Which among the following is incorrect about Osteichthyes?
1. Swim bladder helps them retain buoyancy
2.Many of them are edible
3.Gills are separate without operculum
4. Skin covered with cycloid/ ctenoid scales
Posted Date:-2024-02-12 16:43:53
Which among the following is incorrect about Pisces?
1.They have a streamlined body and a muscular tail that helps them in their movement
2.They are cold-blooded animals and can regulate the body temperature
3.Their heart is 2 chambered
4.Their skeleton is made of cartilage and bone
Posted Date:-2024-02-12 16:36:53
Which among the following is incorrect about pseudocoelomates?
1.Pseudocoelomates means those organisms with false coelom
2.Mesoderm in pseudocoelom is scattered into pouches
3.In pseudocoelomates, coelom is lined completely through mesoderm
4. Nematodes are examples of pseudocoelomates
Posted Date:-2024-02-12 15:36:03
Which among the following is incorrect about reproduction in Arthropoda?
1.They are dioecious
2. Internal fertilization takes place in the case of terrestrial arthropods
3.These are mostly viviparous organisms
4.Development of embryo is either direct or indirect
Posted Date:-2024-02-12 16:31:21
Which among the following is incorrect about Reptilia?
1.These are cold-blooded animals with scales on them
2.All of them have a three-chambered heart
3.Kidneys are present for excretion
4.These are oviparous
Posted Date:-2024-02-12 16:50:16
Which among the following is incorrect about segmentation?
1.Some animal bodies are divided into segments both internally and externally
2. The functions of each and every segment are unique and don’t intersect in their functions
3. The phenomenon of segmentation is termed as metamerism
4. Segmentation helps few animals in locomotion
Posted Date:-2024-02-12 15:37:38
Which among the following is incorrect about Vertebrata?
1.All chordates are vertebrates
2. In vertebrates, notochord is replaced by vertebral column in adults
3.They might not have post-anal tail after a certain period of time
4.Notochord is present during embryonic period
Posted Date:-2024-02-12 15:32:41
Which among the following is not correct about Arthropods?
1.Their body consists of three parts, namely, head, thorax and abdomen
2. Their respiratory organs can be either lungs or gills
3.Their digestive system is complete with mouth, esophagus, intestines and rectum
4.They have a heart and blood vessels to supply blood to the organs of the body
Posted Date:-2024-02-12 16:31:50
Which among the following is not correct about Chondrichthytes?
1. Chondrichthytes are jawless fishes
2.They have stream-lined body
3.Notochord is present throughout their life
4.Their skin is covered with pointed denticles
Posted Date:-2024-02-12 16:42:34
Which among the following is not correct about Urochordata?
1.They are a classification under Protochordates
2.They have post anal tail only till their larval stage
3.Most of these are marine and almost extinct
4. They don’t contain gill clefts
Posted Date:-2024-02-12 15:32:10
Which among the following is odd?
1.Urochordata
2.Cephalochordata
3.Vertebrata
4.Agnatha
Posted Date:-2024-02-12 15:31:35
Which among the following is the main difference between Chondrichthytes and Osteichthytes?
1.Endoskeleton composition
2.Fins
3.Type of blood
4.Type of jaws
Posted Date:-2024-02-12 16:40:01
Which among the following statements is incorrect about Arthropoda?
1.Their Exoskeleton is made of chitin which helps them from extreme conditions
2.They are triploblastic, segmented and hemocoelomate animals
3. Some of these animals are dioecious and others are monoecious
4.Internal fertilization is seen in terrestrial animals and external fertilization is noticed in aquatic animals
Posted Date:-2024-02-12 16:30:52
Which among the following statements is incorrect about Arthropoda?
1.Their Exoskeleton is made of chitin which helps them from extreme conditions
2.They are triploblastic, segmented and hemocoelomate animals
3. Some of these animals are dioecious and others are monoecious
4.Internal fertilization is seen in terrestrial animals and external fertilization is noticed in aquatic animals
Posted Date:-2024-02-12 16:30:53
Which of the following do not contain ciliated epithelium?
1. Gastrointestinal tract
2.Bronchioles
3.Uterus
4.Fallopian tubes
Posted Date:-2024-02-12 17:15:24
Which of the following does the nervous system of the earthworm not contain?
1.Nerve ring
2.Nerve cord
3.Ganglia
4.Brain
Posted Date:-2024-02-12 17:27:17
Which of the following is an incorrect statement regarding compound epithelium?
1.The main function is secretion and absorption
2.Cover dry surface of the skin
3.Made of more than one layer of cells
4. Cover moist surface of the buccal cavity
Posted Date:-2024-02-12 16:57:16
Which of the following is not a function of fibres of connective tissue?
1.Strength
2.Elasticity
3.Flexibility
4.Longevity
Posted Date:-2024-02-12 16:59:08
Which of the following is not a type of connective tissue?
1.Loose
2.Dense
3.Specialised
4.Smooth
Posted Date:-2024-02-12 16:58:45
Which of the following is not true about nephridia in earthworm?
1.They are excretory organs
2.They do not regulate the composition of body fluids
3.They are of three types
4.They regulate the volume of body fluids
Posted Date:-2024-02-12 16:28:23
Which of the following is the most abundant and widely distributed tissue in the human body?
1.Muscular tissue
2. Connective tissue
3.Epithelial tissue
4.Neural tissue
Posted Date:-2024-02-12 16:58:21
Which of the following is true about neuroglial cells?
1.They act as neurons during stress
2. They conduct impulses to and from neurons
3.They protect and support neurons
4.They are only present in the brain
Posted Date:-2024-02-12 17:18:48
Which of the following junctions help to stop substances from leaking against a tissue?
1.Adhering junctions
2.Gap junctions
3. Tight junctions
4.Loose junctions
Posted Date:-2024-02-12 16:57:46
Which of the following structures does the given figure represent?
1.Multicellular gland
2.Endocrine gland
3. Exocrine gland
4.Unicellular gland
Posted Date:-2024-02-12 16:56:05
Which of these is not a function of the sensory system of earthworms?
1. Visualize food
2.Distinguish light intensities
3.Detect vibrations
4.React to chemical stimuli
Posted Date:-2024-02-12 17:28:36
Which of these is not a structural classification of simple epithelium?
1.Columnar
2.Cuboidal
3.Cubical
4.Squamous
Posted Date:-2024-02-12 17:14:29
Which of these is not true about areolar tissue?
1.Macrophages are absent
2.It is a support framework for epithelium
3.It contains mast cells
4.It contains fibroblasts
Posted Date:-2024-02-12 17:16:53
Which of these statements is true about earthworm?
1.They are harmful for agriculture
2. They are used as fishing bait
3.They decrease soil fertility
4. They cannot live in burrows
Posted Date:-2024-02-12 17:33:08
Which of these statements is true about nerve ring?
1.It has only sensory function
2. It has only motor function
3. It is present on the dorsal side
4. It is present on the ventral side
Posted Date:-2024-02-12 17:28:07
Which of these statements regarding the sensory system of earthworm is false?
1.Eyes are absent
2.The sense organs are located posteriorly
3.Taste receptors are present
4.Receptor cells help to detect vibrations
Posted Date:-2024-02-12 17:29:04
Which segment of the earthworm contains the intestinal caecum?
1.25th
2.23rd
3.24th
4.26th
Posted Date:-2024-02-12 16:25:05
Which segments of the earthworm contain the blood glands?
1.9th to 12th
2. 16th to 18th
3. 23rd to 25th
4. 4th to 6th
Posted Date:-2024-02-12 16:26:15
Which segments of the earthworm contain the stomach?
1.9th to 14th
2. 23rd to 25th
3. 16th to 18th
4.5th to 8th
Posted Date:-2024-02-12 16:24:44