Biology - Comprehensive Mock Test 8

Question 71 Medium

Fall in rate of photosynthesis takes place when temperature rises above

A) 40°C B) 30°C C) 20°C D) 25°C

---

Solution Breakdown:

No Details

Question 72 Medium

For most plants, rate of photosynthesis does not increase at

A) constant temperature B) lower temperature C) higher temperatures D) doesn't matter temperature

---

Solution Breakdown:

No Details

Question 73 Medium

Greenhouses use effect of temperature rise, in order to increase rate of

A) transpiration B) respiration C) photosynthesis D) processing

---

Solution Breakdown:

No Details

Question 74 Medium

Vascular bundle named xylem, takes water and minerals to the

A) leaves B) flower C) roots D) stem

---

Solution Breakdown:

No Details

Question 75 Medium

Rate of photosynthesis is affected when temperature is too

A) hot B) mild C) cold D) hot or cold

---

Solution Breakdown:

No Details

Question 76 Medium

Glucose and oxygen combine to form carbon dioxide and water plus

A) oxygen B) energy C) neon D) nitrous oxide

---

Solution Breakdown:

No Details

Question 77 Medium

Process of photosynthesis increases when light gets

A) dim B) brighter C) off D) none of them

---

Solution Breakdown:

No Details

Question 78 Medium

Tissues present in leaf, under upper epidermis and above lower epidermis are known as

A) mesophyll B) stoma C) stalk D) vein

---

Solution Breakdown:

No Details

Question 79 Medium

Rate of photosynthesis decreases because enzymes are denatured at

A) lower temperature B) higher temperature C) zero temperature D) none of them

---

Solution Breakdown:

No Details

Question 80 Medium

Chloroplast splits water molecules to release oxygen and add hydrogen to carbon atoms for formation of

A) Glucose B) Starch C) water D) sugar

---

Solution Breakdown:

No Details