Biology - MCQs with answers - Part V

Biology - MCQs with answers - Part V

Q1.Consider the following statements:

1. Tissue culture is a technique of growing tissues of multicellular organisms in an artificial environment.
2. It produces biologically inactive compounds for pharmaceutical industry.
3. It helps for the conservation of endangered plant species.
4. It can also produces disease prone plant materials.

Select the correct options.

a)1 and 2
b)3 and 4
c)1 and 3
d)1 and 4

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Q2.Complex chemical substances such as Carbohydrates are the products of

a) Respiration
b) Photosynthesis
c) Carbonification
d) Nitrification

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Q3. In some animals the process of quickly swallowing the grass and storing it in a part of the stomach as a food is called as_________.

a) Digestion
b) Egestion
c) Ingestion
d) Rumination

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Q4.The food passes through a continuous canal into the human body, which begins at the buccal cavity and ends at the anus .The canal is known as

a) Digestive tract
b) Gall bladder
c) Oesophagus
d) Large intestine

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Q5.In human body, which one of the following hormones regulates blood calcium and phosphate?

a) Glucagen
b) Growth hormone
c) Parathyroid hormone
d) Thyroxine

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Q6.Consider the following statements:

1. The process of loosening and turning of the soil is called cultivating.
2. The ploughed field may have big pieces of soil called Crumbs.
3. Tilling helps in proper mixing of manure with the soil.

Choose the correct options.

a)1 and 2
b)2 and 3
c)3 and 4
d)1,2,and 3

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Q7.The perpendicular pipes having rotating nozzles on top are joined to the main pipeline at regular interval . This type of arrangement is observed in irrigation system known as.

a) Drip system
b) Sprinkler system
c) Moat system
d) Dhekli system.

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Q8. Consider the following statements:

1. Yeast is used for production of alcohol and wine.
2. Number of antibiotics are being produced from bacteria and fungi.
3. Antibiotics produced from microorganisms are poisonous and disease causing.
4. Sugar converted into alcohol through photosynthesis process.

a) 1 ,2 and 3
b) 1 and 2
c) 2 ,3 and 4
d) 3 and 4

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Q9. Which one among the following personalities discovered smallpox vaccine.

a) Edward Jenner
b) Alexander Fleming
c) Louis Pasteur
d) Robert Koch

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Q10.At which stage in its life cycle does the silk worm yield the fibre?

a) Egg
b) Larva
c) Pupa
d) Imago

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