(A) Plane mirror
(B) Concave mirror
(C) Convex mirror
(D) None of these
Answer: (B) Plan mirror
For obtaining equal height, mirror should be plane.
Author: MCQsLoader
Girdle of fire surrounds which Ocean?
(A) Pacific Ocean
(B) Atlantic Ocean
(C) Arctic Ocean
(D) Indian Ocean
Answer: (A) Pacific Ocean
Girdle of fire surrounds Pacific Ocean.
Total Area of the world ocean is about:
(A) 261.132 million Square KM
(B) 303.187 million Square KM
(C) 361.9 million Square KM
(D) 398.6 million Square KM
Answer: (C) 361.9 million Square KM
Total area of the World Ocean is 361.9 million Square KM. Total area of the world ocean covers about 70.9% of Earth’s surface.
Cisternae are present in:
(A) Lysosomes
(B) Golgi bodies
(C) Ribosomes
(D) Both A and B
Answer: Both A and B
Cisternae are present in Lysosomes and Golgi bodies. It helps in transportation of proteins and Golgi enzymes.
Ribosomes attach to messenger RNA through:
(A) Mg ions
(B) Smaller subunit
(C) Transfer RNA
(D) None of these
Answer: (B) Smaller subunit
Ribosomes attach to messenger RNA through smaller subunit.