HSSC Group D-21/10/2023 (Morning Shift)

21. ........... and ........... are water borne diseases.

Correct Answer: (a) Typhoid and Meningitis

Solution:Typhoid and Meningitis are water borne diseases. Other water borne diseases include Dysentery, Polio, Encephalitis etc. While as Beri-Beri, Scurvy and Rickets are deficiency diseases caused by a lack of Vitamins B, C, D respectively.

22. Match the following :

Match-I	Match-II
(A) Lamina	(I) Weak stem
(B) Petal	(II) Ovary
(C) Pistil	(III) Leaf
(D) Creeper	(IV) Flower

	A	B	C	D
(a)	I	II	III	IV
(b)	III	II	I	IV
(c)	IV	I	II	III
(d)	IV	III	I	II

Correct Answer: (a)

Solution:he correct matching are A-3, B-4, C-2, D-1.

Lamina - Part of the leaf that attaches is to the stem.
Petal - Part of a flower that is often brightly coloured.
Pistil - The female reproductive part of a flower that consists of the stigma, style and ovary.
Creeper - A plant with a weak stem that cannot stand upright.

23. Deficiency of ........... causes beri-beri disease.

Correct Answer: (b) Vitamin B1

Solution:Beri-Beri is caused by a deficiency of thiamine, also known as Vitamin-B1. Beri-Beri is a nutritional disorder that can cause severe and even life threatening symptoms.

24. Which of the following is not the characteristic of fish?

(a) Presence of fins
(b) Presence of gills
(c) Long backbone with cylindrical body
(d) Head and tail smaller than the mid portion of the body.
(e) Unattempted

Correct Answer: (c) Long backbone with cylindrical body

Solution:A long backbone with cylindrical body is not a characteristic of fishes. Fish have a streamlined body shape, which means they are rounded in the front and narrow at the back. Fishes have gills which are respiratory organ.

25. Hepatitis 'A' is caused by :

Correct Answer: (b) Virus

Solution:Hepatitis 'A' is caused by the hepatitis a Virus (HAV). It is a short term viral infection that usually goes away on its own. Hepatitis-A is closely associated with unsafe water or food, inadequate sanitation, poor personal hygiene, and oral-anal sex. The virus can live on surfaces for a few months.

26. Earthworms breathe through their ……….. :

Correct Answer: (d) Skin

Solution:Earthworms breathe through their skin. This process is called cutaneous respiration. Earthworm's skin is covered in mucus that helps them absorb oxygen.

27. Yeast is used in the production of :

Correct Answer: (c) Alcohol

Solution:Yeast is used in the production of alcohol.

Alcohol is made by putting grains, fruits or vegetables through a process called fermentation.

28. In the year 2016, the Government of India has initiated a mission called ……….. under which a proper Sewage disposal have been started.

Correct Answer: (c) Swachh Bharat

Solution:The Swachh Bharat Mission was launched by the Government of India in 2014 to improve sanitation and cleanliness in the country.

The Swachh Bharat Mission is a nation-wide campaign of the Government of India which aims at construction of household owned and community owned toilets.
The mission includes initiatives to improve sewage disposal, such as Solid and Liquid Waste Management (SLWM) projects.

29. Match electrical component given in Column-I with the symbol given in Column-II :

Column-I	Column-II
(A) Electric cell	(I)
(B) Switch in 'ON' position	(II)
(C) Electric Bulb	(III)
(D) Battery	(IV)

Choose the correct option:

	A	B	C	D
(a)	I	II	III	IV
(b)	III	II	IV	I
(c)	IV	III	II	I
(d)	I	IV	III	II

Correct Answer: (d)

Solution:

Column-I	Column-II
(A) Electric cell	(IV)
(B) Switch in 'ON' position	(III)
(C) Electric Bulb	(II)
(D) Battery	(I)

30. The property of metals by which they can be beaten into thin sheets is called:

Correct Answer: (d) Malleability

Solution:The property of metals by which they can beaten into thin sheets is called ductility. It is the Physical property of the metal it's going to stretch rather than break.