Top100+ TRB Home Science Model Question Paper with Answers - 2
Question: 6
The largest cell in the human body is
(A) Kidney cell
(B) Liver cell
(C) Nerve cell
(D) Muscle cell
Ans: C
Nerve cell
Question: 7
Lizards, snakes, crocodiles and turtles belong to the class
(A) Mammalia
(B) Amphibia
(C) Aves
(D) Reptilia
Ans: D
Reptilia
Question: 8
Gene was first isolated by
(A) S.Chandrashekar
(B) Hargobind Khurana
(C) C. Bose
(D) C.V.Raman
Ans: B
Hargobind Khurana
Question: 9
The longest bone in the human body is
(A) Thigh bone
(B) Back bone
(C) Gullet
(D) Stirrup
Ans: A
Thigh bone
Question: 10
Which of the following is used in pencils?
(A) Phosphorous
(B) Charcoal
(C) Silicon
(D) Graphite
Ans: D
Graphite
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