NEET Test Series-2021/NEET Biology MCQS Mock Test Paper 32 Sample Test,Sample questions

Question:
After a sperm has penetrated an ovum in the process of fertilization; entry of further sperms is prevented by

1.condensation of yolk

2.development of the vitelline membrane

3.formation of the fertilization membrane

4.development of the pigment coat

Posted Date:-2021-02-22 04:40:02


Question:
 Collenchymatous hypodermis is characteristics of

1.Hydrophytes

2.Monocot and dicot stem

3.Monocot stem

4.Dicot stem

Posted Date:-2021-02-22 04:40:02


Question:
 In a man; sperms move after ejaculation at a rate of nearly

1.2 to 4 inches/minute

2.2 to 4 mm/minute

3.2 to 4 cm/minute

4.2 to 4 feet/minute

Posted Date:-2021-02-22 04:40:02


Question:
 In monocot leaf

1.Veins form a network

2.Mesophyll is not differentiated into palisade and spongy parenchyma

3. Mesophyll is well differentiated into these parts

4.Bulliform cells are absent from epidermis

Posted Date:-2021-02-22 04:40:02


Question:
 In orchids; Velamen tissues is found in

1.Leaves

2.Root

3. Flowers

4.Shoot

Posted Date:-2021-02-22 04:40:02


Question:
 In the plant cell; this layer is present nearest to the plasma membrane

1. Tonoplast

2.Middle lamella

3.secondary wall

4. primary wall

Posted Date:-2021-02-22 04:40:02


Question:
 In the plasma membrane; Glycolipids are usually situated in

1.cannot be predicted; it varies according to the cell types

2. inner leaflet of the plasma membrane

3. the outer leaflet of the plasma membrane

4.evenly distributed in both outer and inner leaves of plasma membrane

Posted Date:-2021-02-22 04:40:02


Question:
 In the process of fertilization; this is true

1.the entry of sperm activates the egg for completing meiosis

2.only one sperm reaches the egg and enters it

3.only the acrosome of the sperm enters the egg

4.two haploid nuclei fuse and immediately divide to produce two nuclei; which are again haploid

Posted Date:-2021-02-22 04:40:02


Question:
 The hormone gastrin is secreted by_______.

1. Pancreas

2. Liver

3. Stomach

4.Intestine

Posted Date:-2021-02-22 04:40:02


Question:
 The hormone secretin triggers ______.

1.Gallbladder

2. Pancreas

3.Crypts of Lieberkuhn

4.Stomach

Posted Date:-2021-02-22 04:40:02


Question:
 The lacunae in the vascular bundles of monocot stem is

1.Metaxylem

2. A mucilage canal

3.Lysigenous water cavity

4. A large sized protoxylem

Posted Date:-2021-02-22 04:40:02


Question:
 The non-living characteristic of viruses is

1.ability to multiply only inside the host

2.ability to undergo mutation

3. ability to be crystallized

4. ability to cause diseases in the host

Posted Date:-2021-02-22 04:40:02


Question:
 The region in the body where polio virus multiplies is

1.Muscle cells

2.Nerve cells

3. Intestinal cells

4.None of the above

Posted Date:-2021-02-22 04:40:02


Question:
 This is not the function of plasma membrane

1.Energy transduction

2.Intercellular interactions

3.Responding to external stimuli

4.Assisting in chromosome segregation

Posted Date:-2021-02-22 04:40:02


Question:
Beetroot; if kept in cold water; anthocyanin does not come out due to plasma membrane

1.Dead

2. differentially permeable

3.permeable to anthocyanins

4.Impermeable to anthocyanins

Posted Date:-2021-02-22 04:40:02


Question:
Causative of Chickenpox is

1.Bacteriophage T-2

2. Varicella virus

3.SV-40 virus

4.Adenovirus

Posted Date:-2021-02-22 04:40:02


Question:
Cholecystokinin hormone which is released from the intestinal epithelium triggers___.

1.Release of bile from the gallbladder

2.Conversion of protein to peptones

3. Conversion of fats into glycerol

4. Secretion of pancreatic juice

Posted Date:-2021-02-22 04:40:02


Question:
Egg development without fertilization is known as

1.Parthenogenesis

2.Metagenesis

3.Gametogenesis

4.Oogenesis

Posted Date:-2021-02-22 04:40:02


Question:
Gall bladder contractions and Pancreatic secretion are triggered by_______

1.Enterogastrone

2.Enterocrinin

3. Gastrin

4.Cholecystokinin

Posted Date:-2021-02-22 04:40:02


Question:
Hydrophobia or rabies is a disease caused by

1.Protozoan

2.Nematode

3.Virus

4.Helminth

Posted Date:-2021-02-22 04:40:02


Question:
In a mammal; the release of pancreatic juice from the pancreas is triggered by ______.

1. Cholecystokinin

2.Trypsinogen

3. Secretin

4.Enterokinase

Posted Date:-2021-02-22 04:40:02


Question:
In female mammals; Bartholin’s glands open into the

1.Fallopian tubes and release a secretion which makes sperms motile

2.uterus and release a lubricating fluid during the birth of young ones

3. vestibule and release a lubricating fluid in the vagina

4.urinary bladder and assist in release of urine

Posted Date:-2021-02-22 04:40:02


Question:
In rabbits; humans and other placental mammals; fertilization occurs in

1. vagina

2.ovary

3.fallopian tubes

4. uterus

Posted Date:-2021-02-22 04:40:02


Question:
In the plasma membrane; lipid molecules are arranged in

1.head parallel

2.alternate

3.scattered

4.series

Posted Date:-2021-02-22 04:40:02


Question:
In the plasma membrane; the best method to study the properties of integral membrane proteins is

1.atomic force microscopy

2.freeze-fracture analysis and electron microscopy

3.cryo-sectioning and electron microscopy

4.all of the above

Posted Date:-2021-02-22 04:40:02


Question:
In the plasma membrane; carbohydrates

1.always faces outwards; towards extracellular space

2.directed to all sides in the membrane randomly

3.always faces to the lumen of cells

4.always faces inward to the nonpolar portion of the membrane

Posted Date:-2021-02-22 04:40:02


Question:
Interferons curb infection of

1.Fungi

2.Bacteria

3.Cancer

4.None of these

Posted Date:-2021-02-22 04:40:02


Question:
Ion carriers are located in

1. Plasma membranes

2.Cell wall

3. Nucleus

4.Cellular space

Posted Date:-2021-02-22 04:40:02


Question:
Sperm lysin; the enzymatic substance produced by sperms in mammals is known as

1. cryanogamone

2.hyaluronic acid

3. androgamone

4.hyaluronidase

Posted Date:-2021-02-22 04:40:02


Question:
Juice containing sodium glycocholate is secreted under the influence of _______.

1. Enterogastrone

2.Cholecystokinin

3.Enterokinin

4.Secretin

Posted Date:-2021-02-22 04:40:02


Question:
Plasma membrane is made up of

1.A protein; a lipid and a cellulose layer

2.Bimolecular lipid layer surrounded by protein layers

3.A protein layer between two lipid layers

4. A lipid layer between two protein layers

Posted Date:-2021-02-22 04:40:02


Question:
Polyarch and exarch vascular bundles occur in

1.Dicot stem

2. Monocot stem

3.Dicot root

4.Monocot root

Posted Date:-2021-02-22 04:40:02


Question:
Secretion of gastric juice is controlled by ______.

1.Cholecystokinin

2.Gastrin

3.Enterogastrone

4.None of the above

Posted Date:-2021-02-22 04:40:02


Question:
Tetanus germs produce a toxin. It affects

1.jaw bones

2. involuntary muscles

3. voluntary muscles

4.both voluntary and involuntary muscles

Posted Date:-2021-02-22 04:40:02


Question:
The correct situation of mesophyll in isobilateral grass leaf is shown by

1.Palisade along both the surface

2.Undifferentiated mesophyll

3.Palisade towards abaxial surface

4.Palisade towards adaxial surface

Posted Date:-2021-02-22 04:40:02


Question:
The major interaction responsible for stabilizing plasma membrane

1.hydrophobic interactions

2.hydrophilic interactions

3.covalent bonds

4. ionic bonds

Posted Date:-2021-02-22 04:40:02


Question:
The nutritive medium for the ejaculated sperms is given by

1. fallopian tube

2.uterine lining

3.seminal fluid

4.vaginal fluid

Posted Date:-2021-02-22 04:40:02


Question:
The protoxylem in its midrid bundle in a vertical section of a dorsiventral leaf

1.is not distinct

2. faces the ventral epidermis of the leaf

3. faces the dorsal epidermis of the leaf

4.is surrounded by metaxylem

Posted Date:-2021-02-22 04:40:02


Question:
This helps in the penetration of the egg by the sperm

1.fertilization membrane

2.antifertilizin

3. sperm lysin

4.fertilizin

Posted Date:-2021-02-22 04:40:02


Question:
This is a communicable disease

1.Rabies

2.Cancer

3.Alkaptonuria

4. Phenylketonuria

Posted Date:-2021-02-22 04:40:02


Question:
This is a minute cell which separates from the animal egg during maturation is known as

1. Primary oogonia

2. secondary oogonia

3. primary spermatogonia

4.polar bodies

Posted Date:-2021-02-22 04:40:02


Question:
This is a viral disease

1. Rickets

2.Measles

3.Beri-beri

4.Syphilis

Posted Date:-2021-02-22 04:40:02


Question:
This is not a characteristic feature of anatomy of dicotyledonous root

1.Pith little or absent

2.Secondary growth

3.Radial vascular bundles

4.Vascular bundles 15-20

Posted Date:-2021-02-22 04:40:02


Question:
This virus contains both DNA and RNA

1.Polio virus

2.Herpes virus

3.Cyanophage

4.Leukovirus

Posted Date:-2021-02-22 04:40:02


Question:
This virus; for the first time; was synthesized in the form of non-living crystals

1.Pox virus

2.Flu virus

3. Tobacco mosaic virus

4. Bacteriophage

Posted Date:-2021-02-22 04:40:02


Question:
Vascular bundles are scattered in

1.Dicot stem

2. Dicot root

3. Bryophytes

4.Monocot stem

Posted Date:-2021-02-22 04:40:02


Question:
Well-developed pith is found in

1.Monocot root and Dicot stem

2. Dicot root and Dicot stem

3.Dicot root and Monocot stem

4.Dicot and Monocot stems

Posted Date:-2021-02-22 04:40:02


Question:
Which of the following secretes secretin hormone?

1.Oesophagus

2.Ileum

3.Duodenum

4.Stomach

Posted Date:-2021-02-22 04:40:02


Question:
Which of the following statement about Enterogastrone?

1.The hormone secreted by the intestinal mucosa

2. The hormone secreted by mucosa

3.The hormone secreted by related to digestion

4.The hormone secreted by the gastric mucosa

Posted Date:-2021-02-22 04:40:02


Question:
____regulates the enzymatic quantity in pancreatic juice.

1.Cholecystokinin

2.Gastrin

3. Pancreozymin

4. Secretin

Posted Date:-2021-02-22 04:40:02


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