Practice Ssc question set 3 - general science mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   A typical human ribcage consists of how many ribs?

(a)

(b)

(c)

(d)


Q-2)   Percentage of oxygen supplied by haemoglobin is

(a)

(b)

(c)

(d)

Explanation:

About 97% of oxygen is carried in combination with haemoglobin of the erythrocytes to form oxyhaemoglobin.


Q-3)   The temperature of a normal human body is

(a)

(b)

(c)

(d)


Q-4)   Which of the following disease is not concerned with disorders of circulatory system?

(a)

(b)

(c)

(d)


Q-5)   Dialysis is done in the condition when person is suffering from

(a)

(b)

(c)

(d)


Q-6)   Consider the following statements.
  1. Sweet orange plant is propagated by grafting technique.
  2. Jasmine plant is propagated by layering technique.
Which of the statement(s) given above is/are correct?

(a)

(b)

(c)

(d)


Q-7)   Study the following statements:
  1. Blue-green algae is not a hype of algae
  2. In tree, the growth ring represent secondary xylem.
  3. Longest fibres are found in jute.
Which of the statement(s) given above is/are correct?

(a)

(b)

(c)

(d)

Explanation:

Blue-green algae is a type of cyanobacteria and not algae, in trees, growth rings represent secondary xylem, longest fibres are present in jute.


Q-8)   Soil can easily become deficient in____________ because these ions are negatively charged and do not stick to negatively charged clay particles.

(a)

(b)

(c)

(d)

Explanation:

NO3 , is negatively charged and not tightly bound to soil particles.


Q-9)   Which among the following is the largest phylum in the animal kingdom in respect of number of species ?

(a)

(b)

(c)

(d)

Explanation:

Arthropoda is the largest phylum of animalia which includes insects. Over two-thirds of all named species on earth are arthropods. They have organ-system level of organisation.


Q-10)   Main function of lenticel is

(a)

(b)

(c)

(d)