Options:
- A. Diffusion.
- B. Facilitated diffusion.
- C. Passive transport.
- D. Active transport.
View Answer
B. Facilitated diffusion.
Biology
Which of the following allows precise muscular movements_______________?
Options:
- A. Cerebrum
- B. Cerebellum
- C. Thalamus
- D. Hypothalamus
View Answer
B. Cerebellum
About __________ % of photosynthesis is carried by terrestrial plants, while rest occurs in ocean, lakes, and ponds?
Options:
- A. 10%
- B. 20%
- C. 30%
- D. 40%
View Answer
A. 10%
Molecular formula of chlorophyll
Options:
- A. C55H72O5N4Mg
- B. C55H70O6N4Mg
- C. C50H72O6N4Mg
- D. C55H70O5N4Mg
View Answer
A. C55H72O5N4Mg
Deficiency of ___________ causes yellowing in plants?
Options:
- A. Magnesium
- B. Iron
- C. Chlorine
- D. Oxygen
View Answer
A. Magnesium
During rest the breathing occurs rhythmically at the frequency of _________ times per minute in human?
Options:
- A. 16-30
- B. 15-20
- C. 5?10
- D. 6?12
View Answer
B. 15-20
Number of spiracles present in cockroach is___________?
Options:
- A. 15
- B. 10
- C. 20
- D. 30
View Answer
C. 20
Joint between two parietal bones, which is infact immovable one is an example of_________?
Options:
- A. Fibrous joints.
- B. Cartilaginous joints.
- C. Synovial joints.
- D. None of these
View Answer
A. Fibrous joints.
Bony callus formation completes in___________?
Options:
- A. 2-3 weeks
- B. 3-4 weeks.
- C. 2-3 months.
- D. 3-4 months.
View Answer
C. 2-3 months.
If a cross section of a sarcomere is seen, each myosin is surrounded by how many actin molecules:
Options:
- A. 9
- B. 5
- C. 6
- D. 7
View Answer
C. 6