Options:
- A. Lengthening of the body.
- B. Shortening of the body.
- C. Widening of body
- D. Thinning of body
View Answer
D. Thinning of body
Biology
Which one of the following is avascular structure?
Options:
- A. A compact bone.
- B. A spongy bone.
- C. Cartilage
- D. All of these
View Answer
C. Cartilage
S-band locomotion is characteristically seen in___________?
Options:
- A. Bony fish
- B. Cartilaginous fish.
- C. Fish like mammals.
- D. All fishes.
View Answer
B. Cartilaginous fish.
___________ component of cell wall has grreat affinity with water?
Options:
- A. Lignin
- B. Cellulose
- C. Pectin
- D. All of these
View Answer
D. All of these
Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?
Options:
- A. Hydathods
- B. Stomata
- C. Lenticels
- D. None of these
View Answer
C. Lenticels
Intelligence is under the control of____________?
Options:
- A. Cerebrum
- B. Cerebellum
- C. Thalamus
- D. Hypothalamus
View Answer
A. Cerebrum
Carotenoids perform protective function in_____________?
Options:
- A. Animals
- B. Plants
- C. Both of these
- D. None of these
View Answer
C. Both of these
Which of the following statement about the head of a chlorophyll molecule is incorrect?
Options:
- A. It is a porphyrin ring or tetrapyrrole ring structure
- B. It is flat, square and light absorbing
- C. Composed of carbon and nitrogen atoms with Magnesium as central metal ion, which is coordinated with nitrogen.
- D. It is hydrophobic
View Answer
D. It is hydrophobic
Complete breakdown of glucose molecule takes place in which of the following?
Options:
- A. Alcoholic fermentation
- B. Lactic acid fermentation
- C. Aerobic respiration
- D. All of these
View Answer
C. Aerobic respiration
Lungs are covered with double layered thin membranous sac called___________?
Options:
- A. Disphragm
- B. Pleura
- C. Pericardium
- D. Rib cage
View Answer
B. Pleura