2201. Which of the following are proteins in nature?
✅ D. All of these
Option A: Antibodies. Option B: Interferons Option C: Antitoxins Option D: All of these Correct Answer : All of these Read more
Author: Sheeraz Ahmed – Page 111
2202. Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?
✅ C. Lenticels
Option A: Hydathods Option B: Stomata Option C: Lenticels Option D: None of these Correct Answer : Lenticels Read more
2203. Lenticels look like__________?
✅ D. Cars or small protusions
Option A: A big pore Option B: Stoma Option C: Sponge Option D: Cars or small protusions Correct Answer : Cars or small protusions Read more
2204. Active transport is dependent on____________?
✅ B. Respiration
Option A: Photosynthesis Option B: Respiration Option C: Photophosporylation Option D: None of these Correct Answer : Respiration Read more
2205. In plants, the neighbouring cells are connected with one another by__________?
✅ D. Both A & B
Option A: Plasmodesmata Option B: Cell walls Option C: Vacuoles Option D: Both A & B Correct Answer : Both A & B Read more
2206. Cytoplasmic strands that extend through pores in adjacent cell walls are known as___________?
✅ C. Plasmodesmata
Option A: Pseudopods Option B: Symplasts Option C: Plasmodesmata Option D: Pili Correct Answer : Plasmodesmata Read more
2207. In plants, water potential is determined by major factors?
✅ C. Two
Option A: Three Option B: Four Option C: Two Option D: Five Correct Answer : Two Read more
2208. The pressure generated when water enters & inflates plant cells is called ___________ potential?
✅ C. Pressure
Option A: Water Option B: Osmotic Option C: Pressure Option D: Solute Correct Answer : Pressure Read more
2209. The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)
✅ B. Osmosis
Option A: Deffusion Option B: Osmosis Option C: Active transport Option D: None of these Correct Answer : Osmosis Read more
2210. ___________ potential is the measure of the change in water potential of a system due to the presence of solute molecules?
✅ A. Osmotic
Option A: Osmotic Option B: Pressure Option C: Both of these Option D: None of these Correct Answer : Osmotic Read more