% age of CO2 carried as carboxyhaemoglobin is
1.5%
2.70%
3.20%
4.10%
A disease of longs in which inside of the lungs is damaged resulting in cough and fever
1.Lung cancer
2.Asthma
3.Emphysema
4.Pulmonary tuberculosis
A joint formed between humerus, radius and ulna is an example of
1.Immovable joint.
2.Slightly movable joint.
3.Freely movable joint.
4.Fibrous joint
All of the following contain cartilage except
1.Larynx
2.Trachea
3.Bronchi
4.Bronchioles
Among the followings which is the most longest supportive cell?
1.Tracheids
2.Sclereids
3.Trachea
4.Collenchyma cells
An increrase in plant girth due to activity of _____ is called secondary growth.
1.Cork cambium
2.Pith
3.Vascular cambium.
4.Both a and c
Arterial blood contains ______ of CO2 per 100 ml of blood
1.54 ml
2.60 ml
3.64 ml
4.50 ml
Collagen fibers of bone are hardened by deposition of:
1.Ca & PO4
2.CaCO3
3.CaSO4
4.SiO2
Ecdysone�
1.An enzyme that digest endocuticle during an arthropodal ecdysis.
2.A newly formed exoskeleton in authropods
3.A hormone that regulates moulting in arthropods.
4.A process that involves moulting.
Endoskeleton is secreted by:
1.Ectoderm
2.Endoderm
3.Mesoderm
4.All of these
Epinasty is controlled by
1.Gibberellins
2.Abscisins
3.Auxins
4.Cytokinins
Exoskeleton of a marine snail is composed of
1.CaPO4
2.CaCO3
3.CaSO4
4.SiO2
Fibrous capsule surrounding synovial joints may be thickened at some places to form:
1.Synovial membrane.
2.Ligaments
3.Muscles
4.Tendon
Gibberellins is an example of
1.Growth inhibitor
2.Growth stimulator
3.Growth hormone
4.None of these
Haemoglobin can be almost completely oxygenated by an oxygen pressure of ____ of mercury.
1.10 mm
2.60 mm
3.10 cm
4.100mm
Higher turgor pressure in a plant cell is maintained by:
1.Large number of vacoules in a plant cell.
2.Higher ionic concentration inside vacuoles resulting from active pumping of ions at their tonoplastic membrane
3.Higher osmotic pressure of the cell vacuole
4.both b and c
How many bones are present in the wrist?
1.4 bones
2.6 bones
3.8 bones
4.14 bones
How many vertebrae are in sacrum?
1.7
2.12
3.5
4.4
How many vertebrae are present in coccyx?
1.7
2.12
3.9
4.4
How many vertebrae are present in lumbar region?
1.7
2.12
3.5
4.4
How many vertebrae are present in the neck or cervical region of man?
1.7
2.12
3.5
4.4
How many vertebrae are present in thoracic region?
1.7
2.12
3.5
4.4
How many vertebrae are present in vertebral column of man?
1.33 vertebrae
2.33 pairs of vertebrae
3.25 vertebrae
4.31 vertebrae
Important factors which affect the capacity of haemoglobin to combine with oxygen is
1.Temperature
2.Carbon dioxide
3.pH
4.All of these
In an annelids, the contraction of circular muscle results in:
1.Lengthening of the body.
2.Shortening of the body.
3.Widening of body
4.Thinning of body
In which of the following joint muscles are arranged in the same plane as that of joint?
1.Between radius and ulna.
2.Between ulna and scapula
3.Between humerus and scapula
4.Between femur and tibia.
Joint between two parietal bones, which is infact immovable one is an example of
1.Fibrous joints.
2.Cartilaginous joints.
3.Synovial joints.
4.None of these
More than ______ compounds of tar of tobacco smoke are involved to cause cancer
1.5
2.90
3.15
4.10
Of the following, which one is a contagious disease?
1.Tuberculosis
2.Lungs cancer
3.Asthma
4.Emphysema
Rapid movement of leaves of mimosa on touching is an example of :
1.Turgor movement
2.Nastic movement
3.Tropic movements.
4.Growth movement
Respiratory distress syndrome is common especially for infants with a
1.Less than 7 month
2.Less than 8 month
3.Less than 9 month
4.More than 9 month
Roots of a plant show
1.Positive phototropism and negative geotropism.
2.Negative phototropism and positive geotropism.
3.Negative tactic movement and positive tropic movement.
4.Positive geotropism of stem and roots
Secondary cell wall of sclerenchyma cells is impregnated with
1.Cellulose
2.Peptidoglycan and murein.
3.Lignin
4.Pectin
Sperms of liverworts, mosses, ferns move towards archegonia, in response to uncleic acid released by the ovum. This is an example of:
1.Chemotropic movement
2.Chemotactic movement.
3.Chemosastic movement
4.Haptonastic movement.
The increase in pH of blood has _____ effect on the oxygen carrying capacity of haemogolobin
1.plus ve
2.? ve
3.No
4.All of these
The place of attachment of leaf with the shoot is called:
1.Pith
2.Pit
3.Pulvinus
4.Ecdysone
Vascular Cambium initially appears as actively dividing cells between:
1.Primary Xylem and secondary xylem.
2.Primary xylem and secondary phloem.
3.Primary xylem and primary phloem
4.Secondary xylem and secondary phloem.
Voice box is another name used for
1.Buccal cavity
2.Pharynx
3.Larynx
4.Chest Cavity
Which of the following animal has a hydrostatic skeleton:
1.Earthworm.
2.Round worm.
3.Tape worm.
4.Pin worm
Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?
1.Cockroach
2.Earthworm
3.Aves
4.Frogs
Which of the following bone is not present in the hind-limb?
1.Femur
2.Tibia
3.Radius
4.Fibula
Which of the following bones are present in pectoral girdle?
1.Clavicle
2.Scapula
3.Both of these
4.None of these
Which of the following bones bones are present in the plam of hand?
1.Carpals
2.Metacarpals
3.Phalanges
4.Metatarsals
Which of the following hormone is predominantly responsible for bone weakening in older women?
1.Progesterone
2.Oestrogen
3.Parathyroid hormone.
4.Calcitonin
Which of the following plays the major role in providing support to young herbaceous parts of the plant:
1.Living cells of epidermis with higher turgor pressure.
2.Living cells of cortex and pith with higher turgor pressure.
3.Collenchyma cells
4.All of these
Which of the following promotes growth in plants?
1.Photorespiration
2.Calvin cycle
3.Both of these
4.None of these
Which of the following statement about an arthropod exoskeleton is incorrect?
1.It permits gaseous exchange.
2.It contains joints, for the same purpose as present in human skeletal system.
3.It provides muscle attachment.
4.Like all the other types of exoskeleton, they lack sensation.
Which of the following statement is incorrect about Molluscans?
1.They are surrounded by single or double pieces of hard skeleton.
2.Their shell grows as the animal grows.
3.They have hydrostatic skeleton.
4.They move by tube feet
Which one of the following forms the blk of exoskeleton of an arthropod?
1.Epicuticle
2.Procuticle
3.Ectocuticle
4.None of these
Which one of the following is avascular structure?
1.A compact bone.
2.A spongy bone.
3.Cartilage
4.All of these