General Science MCQ-6

Consider the following statement.

(A) In living organisms there are two types of cellular organisation.
(B) Cells with define nuclear are known as Eukaryote
(C) Blue Cell algae have prokaryote cells.

Which of the above statement are true.

(A) A & C only
(B) B & C only
(C) A & C only
(D) All of the above are true.

Consider the following statements.

(A) Human eye can detect light in 400 – 700(nm) nanometer range.
(B) Light unit wavelength longer than 400 nm is termed ultraviolet light.
(C) Light with wavelength longer than 700 nm is termed Infrared light.

Which of the above are false?

(A) All of the above
(B) None of the above
(C) B only
(D) C only

Consider the following statements?

(i) Two distinct layers of the skin are dermis & epidermis
(ii) Cell type of dermis is keratinocyte which contains keratin
(iii) Basal cells are innermost layer of the epidermis.

Which of the above are true?

(A) 1 & ii
(B) i & ii
(C) iii only
(D) All of the above

Consider the following statements

(i) Amphibious use environment to regulate their body temperature
(ii) Some amphibious can walk & swim in water
(iii) Most amphibious can walk & swim in water.

Which are incorrect?

(A) i & ii
(B) ii & iii
(C) iii
(D) None of the above

Match die following:

Army Training Institutions —- Location

(i) National Welfare Academy (a) Pune
(ii) Indian Military Academy (b) New Delhi
(iii) National Defence College(c) Dehradun
(iv) Institute of National Integration (d) Khadkvasla

(A) i – d, ii – c, iii- b, iv – a
(B) i – b, ii – a, iii – d, iv – c
(C) 1 – c, ii – b, iii – d, iv – a
(D) None of these

An astronaut can’t hear his companion at the surface of the moon because:

(A) produced frequencies are above the audio frequency
(B) there is no medium for sound propagation
(C) temperature is too low during night and too high during day.
(D) there are too many craters on the surface of the moon.

Assertion (A): Objects appear ‘weightless’ inside on orbiting spacecraft.

Reason (R): Objects in circular motion experience centripetal force.

(A) Both A and R are true and R is the correct explanation of A.
(B) Both A and R are true but R is riot a correct explanation of A.
(C) A is true but R is false.
(D) A is false but R is true.

Match the following:
List-I—— List-II

A. Nitrolime 1. Rocket fuel
B. Sodium Thiosulphate 2. Sodium
C. Liquid ammonia 3. Photography
D. Hydrazine 4. Fertilizer

Code:
ABCD

(A) 3 2 4 1
(B) 1 4 3 2
(C) 4 3 2 1
(D) 3 4 1 2

A person, who met with an accident, was partially paralysed arid lacked a sense of feeling after treatment. Which part of the nervous system was affected by the accident ?

(A) The left cerebal hemisphere was damaged
(B) The spinal cord seemed damaged
(C) The olfactory lobes seemed to have become defective
(D) The ocular motor nerve seemed damaged

The speed of rotation of electric motor can be increased by.

1) Increasing number of tunis in a coil.
2) Increasing the area of cross-section of coil.
3) Increasing the current flow into coil.

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 about Lymphatic system.

1) A large number of lymph nodes are located in the armpit and the groin.
2) The spleen is the largest mass of lymphatic tissue in the body.
3) The thymus is an important lymphatic organ.

Select the correct code given below.

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

Consider the following statement about xylem?

1) Xylem occur together with phloem and form the vascular bundle.
2) To conduct water and minerals upwards from the roots to the stems and leaves.

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) Development of fruit without fertilisation is called parthenocarpy.
2) Parthenocarpy can be induced artificially by spraying flowers with growth promoting hormones.

Select the correct code given below.

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