Directions (Q. 1 - 7): Solve the following questions -

1. Crescograph was invented by

(a) S.N. Bose
(b) P.C. Roy
(c) J.C. Bose
(d) P.C. Mahalanobis

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2. Foramen Magnum is an aperture found in the

(a) Ear
(b) Lung
(c) Girdle
(d) Skull

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3. Who betrayed Siraj-ud-Daula in the Battle of Plassey in 1757?

(a) Hyder Ali
(b) Mir Qasim
(c) Mir Jaffar
(d) Nawab of Oudh

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4. ‘Barr body’ is found in

(a) Sperm
(b) Sertoli Cells
(c) Female somatic cells
(d) Male somatic cells

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5. The colours of stars depend on their

(a) temperature
(b) distance radius
(c) radius
(d) atmospheric pressure

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6. Light from the Sun reaches us in nearly

(a) 8 min.
(b) 2 min.
(c) 6 min.
(d) 4 min.

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7. Radar is used to

(a) locate submerged submarines.
(b) receive signal from radio receivers.
(c) detect and locate distance objects.
(d) locate geostationary satellites.

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