Options:
- A. Pseudopods
- B. Symplasts
- C. Plasmodesmata
- D. Pili
View Answer
C. Plasmodesmata
Biology
Which of the following have thickest walls?
Options:
- A. Arteries
- B. Veins
- C. Capillaries
- D. None of these
View Answer
A. Arteries
At which times there is no net gaseous exchange between leaves and the atmosphere.
Options:
- A. Day time.
- B. Night time.
- C. Dawn & Dusk.
- D. Mid night.
View Answer
C. Dawn & Dusk.
The first action spectrum was obtained by___________?
Options:
- A. T.W.Englemam
- B. Malleus
- C. T.W.Inws
- D. W.Stapes
View Answer
A. T.W.Englemam
Photosystem II has molecules which absorbs maximum light of___________?
Options:
- A. 680 nm
- B. 100 m
- C. 700 nm
- D. 670 nm
View Answer
A. 680 nm
ATP are consumed during___________?
Options:
- A. Glycolysis
- B. Kreb
- C. Light dependent phase
- D. none of these
View Answer
A. Glycolysis
The glycolate produced diffuses into the membrane bounded organelles called____________?
Options:
- A. Glyoxisomes
- B. Peroxisomes
- C. Lysosomes
- D. Mitochondria
View Answer
B. Peroxisomes
Gaseous exchange through the skin is known as ______________ respiration?
Options:
- A. Cuticular
- B. Cutaneous
- C. Skin
- D. Pulmonary
View Answer
B. Cutaneous
An increrase in plant girth due to activity of _____________ is called secondary growth?
Options:
- A. Cork cambium
- B. Pith.
- C. Vascular cambium.
- D. Both a and c
View Answer
D. Both a and c
Gibberellins is an example of_________________?
Options:
- A. Growth inhibitor
- B. Growth stimulator
- C. Growth hormone
- D. None of these
View Answer
B. Growth stimulator