General Science MCQ-51

Declination is the angle between

(A) geographical and magnetic equators
(B) geographical and magnetic meridians
(C) suspended magnet and magnetic meridians
(D) total magnetic intensity and its magnetic meridian

In radioactive decay, the emitted electrons come from the:

(A) innermost shell of the atom
(B) K shell of an atom
(C) Outermost shell of an atom
(D) Decay of neutrons in the nucleus

An ionic bond can be formed between two atoms when

(A) one of them has a low ionization energy and the other has a high’ electron affinity
(B) both the atoms have low values of ionization energy
(C) both the atoms have high values of ionization energy
(D) both the atoms have low values of electron affinity

Consider the following statements:

1 . The chemical name of Gammexene is Benzene Hexachloride
2. Asprin is useful in pepticulcer.

Which of the following is correct ?

(A) only 1 is correct
(B) only 2 is correct
(C) both 1 and 2 are correct
(D) none of these

Which of following change will increase the mean free path of molecules in a sample of gas ?

(A) increase in pressure at constant temperature
(B) increase in density at constant temperature
(C) increase in temperature at constant pressure
(D) increase in temperature at constant volume

Consider the following:

1. Platypus
2. Spiny ant eater
3. Kangaroos
4. Whale
Which of the above is the oviparous (egg laying) mammals?

(A) 1 and 2
(B) 1 and 3
(C) 1,3 and 4
(D) only 1

The function of which of the following hormones is independent of secretion of pituitary gland’?

(A) Parathyroid harmone
(B) Testosterone
(C) Corticosteroids
(D) Thyroxin

A floating body must satisfy the following conditions.

1) Ships should be hollow from within and have fairly large volume.
2) They should able to displace more weight of water than their own weight.

Select the correct code given below.

(A) 1 only
(B) 2 only
(C) 1 & 2 only
(D) neither 1 nor 2.

Consider the following statements.

1) Helium is the most inert element among noble gases.
2) Noble gases do not need to react with other dements to attain a full shall.
3) The activity of noble gases is low in absolute terms.

Select the correct code given below.

(A) 1,2 only
(B) 2, 3 only
(C) 1,2, 3 only
(D) 1,3 only.

Which of the following statement is correct about plant cell?

1) Celluclose cell wall is present in plant cells.
2) Plastids are generally present.
3) Centrosome is present.

Select the correct code given below.

(A) 1,2 only
(B) 2, 3 only
(C) 1,2, 3 only
(D) 1,3 only.

Consider the following statements?

1) Apical tissues are situated at the growing fit of stems and roots.
2) Inter calory are located at the baseof the inter node.

Select the correct code given below.

(A) 1 only
(B) 2 only
(C) 1 & 2 only
(D) neither 1 nor 2.