Options:
- A. Chlorophyll e
- B. Chlorophyll d
- C. Chlorophyll a
- D. Chlorophyll c
View Answer
C. Chlorophyll a
Biology
Which of the following light is least absorbed by the plants?
Options:
- A. Orange
- B. Red
- C. Blue
- D. Green
View Answer
D. Green
In all plants the major sites of phosynthesis are___________?
Options:
- A. Leaves respire and utilize O2 and release CO2.
- B. Stems
- C. Roots
- D. Branches
View Answer
A. Leaves respire and utilize O2 and release CO2.
Cellular respiration is essentially a/an _____________ process?
Options:
- A. Oxidation.
- B. Reduction.
- C. Redox.
- D. None of the above.
View Answer
A. Oxidation.
The air spaces may comprise upto _________ of total volume of leaf surface?
Options:
- A. 30%
- B. 20%
- C. 40%
- D. 50%
View Answer
C. 40%
All of the following contain cartilage except:___________?
Options:
- A. Larynx
- B. Trachea
- C. Bronchi
- D. Bronchioles
View Answer
D. Bronchioles
Which of the following statement about osteoporosis is incorrect.
Options:
- A. It results from estrogen deficiency.
- B. Bone eating process takes over bone formation process.
- C. There is reduction of bone mass and change in chemical composition of the matrix
- D. It is common in old age.
View Answer
C. There is reduction of bone mass and change in chemical composition of the matrix
Which of the following statements is incorrect about skeletal muscle fibers?
Options:
- A. They are multinucleated.
- B. They are 10
- C. They contain O2 storing molecules called hemoglobin.
- D. Their cytoplasm contains high concentration of carbohydrates
View Answer
C. They contain O2 storing molecules called hemoglobin.
Endoskeleton is secreted by?
Options:
- A. Ectoderm.
- B. Endoderm.
- C. Mesoderm.
- D. All of these
View Answer
C. Mesoderm.
Which of the following pairs of fins in a fish body are paired?
Options:
- A. Dorsal and ventral.
- B. Pectoral and Pelvic.
- C. Tail and anal
- D. All of these
View Answer
B. Pectoral and Pelvic.