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Biology

Q.21) Plant have ____ while animals lack it.

(A) starch

(B) cellulose

(C) protein

(D) fat

Q.22) Pigmentation of skin is due to

(A) lymphocytes

(B) monocytes

(C) leucocytes

(D) melanocytes

Q.23) Night blindness is cause by lack of which vitamin?

(A) Vitamin A

(B) Vitamin B

(C) Vitamin C

(D) Vitamin D

Q.24) Our major foods, fibres, spices, fruits and beverage crops are

(A) flowering plants

(B) gymnosperms plants

(C) pteridophytes

(D) bryophytes

Q.25) Movements due to light are shown by

(A) flowering plants

(B) lower plants

(C) all land plants

(D) all the plants

Q.26) Rain water helps to increase the ____ to some extent.

(A) phosphorous contents

(B) nitrogen contents

(C) calcium contents

(D) potash contents

Q.27) Plants are killed in winter by frost

(A) because of desiccation and mechanical damage to the tissues

(B) because no photosynthesis takes place at such low temperature

(C) because respiration ceases at such low temperature

(D) because there is no transpiration

Q.28) Pulses are a good source of

(A) carbohydrates

(B) fats

(C) proteins

(D) vitamins

Q.29) Nymph is the name of young one of

(A) butterfly

(B) beetle

(C) housefly

(D) cockroach

Q.30) Plants that grow under average temperature and moisture are called

(A) halophytes

(B) hydrophytes

(C) mesophytes

(D) xerophytes

ਜੇਕਰ ਤੁਸੀ ਕਿਸੇ ਵੀ ਸਰਕਾਰੀ ਨੌਕਰੀ ਬਾਰੇ ਜਾਣਕਾਰੀ ਲੈਣਾ ਚਾਹੁੰਦੇ ਹੋ ਤਾ ਉੱਤੇ ਦਿੱਤੇ ਕੰਮੈਟ ਬਾਕਸ ਵਿੱਚ ਕੰਮੈਟ ਕਰ ਸਕਦੇ ਹੋ ਧੰਨਵਾਦ ਅਰਨ ਮਨੀ ਜੋਬਜ ਟੀਮ