61) Penicillins are made by fungus called:
(A) Penicillium
(B) Manlosporium
(C) Streptomyces
(D) Bt-gene
62) Water helps in the metabolism process in the presence of:
(A) Amino Acids
(B) Ribonucleic Acid
(C) Proteins
(D) Enzymes
63) Which act as hormone:
(A) Carbohydrates
(B) Proteins
(C) Vitamins
(D) Fats
64) The Hormones are the:
(A) Chemical messengers
(B) Zoological messengers
(C) Physical messengers
(D) Bio physical messengers
65) Master gland is pituitary gland which controls the activities of:
(A) Adrenal gland
(B) Adrenal and thyroid glands
(C) Pancreas and thyroid glands
(D) All glands
66) Who discovered bacteria first in 1697?
(A) Iwanowsky
(B) Leeuwenhoek
(C) Louis Pasteur
(D) Robert Koch
67) One of the followings is not a characteristic of an insect:
(A) Their body is divided into head, thorax and abdomen
(B) They possess a pair of legs in each segment
(C) They possess two wings for flying
(D) Two prominent antennae are present on head
68) An inactive phase during the life cycle during which animal stores a lot of food inside the body and develops a covering around body is called:
(A) Pupa
(B) Larva
(C) Nymph
(D) Adult
69) If the temperature rises gradually up to 40'C, the rate of photosynthesis:
(A) Increases
(B) Decreases
(C) Remains constant
(D) May stop altogether
70) An adult requires how many proteins daily:
(A) 10-20 grams
(B) 30-50 grams
(C) 50-100 grams
(D) More than 100 grams