Of the following, which one light – gathering??
A. Antenna complex
B. Reaction centre
C. Photosystem
D. None of these
Category: Biology Mcqs
Hunger contractions are _____ contractions??
A. Antiperistalsis
B. Peristalsis
C. Voluntary
D. None of these
Nephrostome in earthworm opens in____________??
A. External space
B. Internal Body cavity
C. In gut
D. In Bladder
I can break down fatty acid to succinate__________??
A. Peroxisome
B. Glyoxisome
C. Lysosome
D. Golgi bodies
In humans the number of tetrads formed during mitosis is___________??
A. 23
B. 46
C. 0
D. 4
Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of?
A. Diffusion
B. Passive transport
C. Osmosis
D. Active transport
Which excretory product in produced in plants during autotrophic mode of life??
A. CO2
B. H2O
C. O2
D. Both A and B
Which of the following is a sentimentally arranged excretory system??
A. Protonephridium
B. Metanephridium
C. Malpighian tubules
D. Nephrons
Deficiency of ___________ causes yellowing in plants??
A. Magnesium
B. Iron
C. Chlorine
D. Oxygen
Intelligence is under the control of____________??
A. Cerebrum
B. Cerebellum
C. Thalamus
D. Hypothalamus
