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The following question based on physiology of plants, humans and animals topic of general science mcq

Questions : Consider the following statements :
  1. A nerve is a bundle of axons of the neurons.
  2. Collenchyma cells are dead and have irregular thickenings at the corners.
  3. Skin epithelium is called stratified squamous epithelium because it has one layer of cells.
  4. Tendons connect muscles to bones.
Which of these statement(s) is/are correct ?

(a) 1 and 4

(b) 3 only

(c) 1 and 2

(d) 1, 2, 3 and 4

The correct answers to the above question in:

Answer: (a)

Collenchyma cells are living, elongated and irregularly thicknened at the corners. Skin epithelium is called stratified squamous epithelium because their cells are arranged in many layers to prevent wear and tear.

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Read more biology Based General Science Questions and Answers

Question : 1

Which among the following have scales?

  1. Amphibians
  2. Pisce
  3. Reptiles
  4. Mammals
Choose the correct option :

a) 2 and 3

b) 3 and 4

c) 1 and 3

d) 1 and 2

Answer: (a)

Amphibians can live in aquatic as well as terrestrial habitats. The Amphibian skin is moist (without scales). The skin of Mammals is unique in possessing hair.

Question : 2

A surge of which hormone stimulates ovulation in human females?

a) Estrogen

b) Luteinizing hormone

c) Follicle stimulating hormone

d) Progesterone

Answer: (b)

Question : 3

Which of the following would not have an effect on flowering of a particular plant species?

a) Nutritional status

b) Temperature

c) Plant age

d) Prevailing wind

Answer: (d)

Question : 4

When oxygen is released as a result of photosynthesis, it is a by-product of which of the following?

a) The electron transfer system of photosystem

b) Splitting the water molecules

c) Chemiosmosis

d) None

Answer: (b)

In the process of photosynthesis water is split(photolysis) to produce molecular oxygen.

Question : 5

Cork is formed from

a) vascular cambium

b) phellogen

c) phloem

d) xylem

Answer: (b)

Question : 6

Which is an atrocious animal?

a) Whale

b) Otter

c) Penguin

d) Tortoise

Answer: (a)

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