General Knowledge Part -B: English (NDA/NA SOLVED PAPER 2022-I) (51 to 100)

Total Questions: 50

21. Which of the following statements about living and non-living being is/are correct?

1. While living being can demonstrate growth and repair, non-living being cannot.
2. While living being demonstrates metabolic processes, non-living being does not.
Select the correct answer using the code given below.

Correct Answer: (c) Both 1 and 2
Solution:Living-organisms are able to perform growth and repair mechanism whereas non-living organism could not able to do this. Also, metabolism is a defining characteristic of all living organism only.

22. Which one of the following plant plastids stores starch, oil and protein granules?

Correct Answer: (b) Leucoplast
Solution:Leucoplast is a type of plastid that stores starch, oil and protein granules

23. Which one of the following statements about 'vacuoles' is not correct?

Correct Answer: (d) Vacuoles are absent in animal cells.
Solution:Vacuoles are present in both animal and plant cells.

24. In aquatic plants, large air sacs give them buoyancy effects. These sacs are surrounded by which one of the following types of tissues?

Correct Answer: (a) Parenchyma
Solution:Some aquatic plants have large air cavities in the parenchyma. This type of parenchyma is called aerenchyma. It helps in buoyancy.

25. Which one of the following belongs to 'Pisces'?

Correct Answer: (a) Dogfish
Solution:Silverfish is a insect, starfish is an Echinodermata. Jellyfish and sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria.

26. Which one of the following groups is called 'amphibians of plant kingdom'?

Correct Answer: (a) Bryophytes
Solution:Bryophytes is also known as amphibians of plant kingdom because they require water for fertilization.

27. Which one of the following is caused by a bacterial pathogen?

Correct Answer: (d) Typhoid fever
Solution:Typhoid is a life-threatening illness caused by Salmonella Typhi bacteria. Paratyphoid fever is a life-threatening illness caused by Salmonella Paratyphi bacteria. AIDS, Dengue Fever And COVID-19 are caused by virus.

28. The twinkling of a star is due to the atmospheric

Correct Answer: (c) refraction of starlight
Solution:The twinkling of a star is due to atmospheric refraction of starlight. The Starlight, on entering the earth's athmosphere, undergoes refraction continuously before it reaches the earth, but path of light reepson changing slightly due to changing earth atmosphere so amount of light entering the eye changes, which cause star to appear sometime bright and some time dark

29. A mass M is dragged by a pulley on a horizontal plane by a force anti-parallel to its displacement. The work done in pulling the mass M is

Correct Answer: (d) negative
Solution:

30. A 5 N force is defined when a mass of 10 kg is accelerated with

Correct Answer: (b) 0.5 m/s²
Solution: