Biology - Comprehensive Mock Test 159

Question 1581 Medium

Number of spiracles present in the thorax of cockroach is?

A) 2 B) 3 C) 5 D) 4

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Question 1582 Easy

Number of spiracles present in cockroach is?

A) 15 B) 10 C) 20 D) 30

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Question 1583 Medium

The air spaces may comprise upto ______ of total volume of leaf surface?

A) 30% B) 20% C) 40% D) 50%

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Question 1584 Medium

There are ______ stomata per square cm of leaf surface in Tobacco plants?

A) 1200 B) 12000 C) 100,000 D) 1000

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Question 1585 Easy

Water is _____ times viscous than air?

A) 50 B) 1000 C) 5000 D) 8000

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Question 1586 Easy

Anus is surrounded by _____ types of muscles?

A) 2 B) 3 C) 1 D) 4

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Question 1587 Medium

Hepatic and Pancreatic secretions are also stimulated by a hormone produced by the intestinal mucos1⃣ The hormone is?

A) Peristalsis B) Gastrin C) Secretin D) Pepsin

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Question 1588 Medium

From one pyruvate passing through Kreb's cycle, how many NADH are formed?

A) 1 B) 2 C) 3 D) 4

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Question 1589 Medium

Breaking of terminal phosphate of ATP releases about _____ Kcal of energy?

A) 6.1 B) 6.3 C) 7.1 D) 7.3

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Question 1590 Medium

In Anaerobic respiration only _____ % of the energy present within the chemical bond of glucose is converted into ATP?

A) 1% B) 2% C) 3% D) 4%

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