HSSC CET Group-D Exam 21.10.2023 (Shift-I)

Total Questions: 97

21. ______and______are water borne diseases.

Correct Answer: (5) Not Attempted
Solution:Typhoid and Cholera are waterborne diseases.
  • Typhoid is a bacterial infection that is caused by the Sal monella typhi bacteria.
  • It is spread through the consumption of contaminated food or water.
  • Symptoms of typhoid include fever, headache, muscle aches, and abdominal pain.
  • Cholera is a bacterial infection that is caused by the Vibrio cholerae bacteria.
  • It is spread through the consumption of contaminated food or water.
  • Symptoms of cholera include diarrhea, vomiting, and dehydration.

22. Match the following:

(I)

(II)

A.

Lamina

I.

Weak stem

B.

Petal

II.

Ovary

C. 

Pistil

III.

Leaf

D. 

Creeper

IV. 

Flower

Correct Answer: (1) A-III, B-IV, C-II, D-I
Solution:Lamina - Leaf

Petal - Flower

Pistil - Ovary

Creeper - Weak stem

23. Deficiency of________causes beriber disease.

Correct Answer: (2) Vitamin B1
Solution:Deficiency of thiamine (vitamin B1) causes beriberi disease.
  • Beriberi is a neurological disorder that affects the peripheral nerves and the heart.
  • It is caused by a deficiency of thiamine, which is an essential vitamin that is involved in energy metabolism.
  • Thiamine is found in foods such as whole grains, legumes, muts, and seeds.

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

Correct Answer: (3) Long backbone with cylindrical body
Solution:Fish have long backbones, but their bodies are not cylin drical. Fish bodies are typical ly streamlined or fusiform. which helps them to swim ef ficiently.
  • All other characteristics are characteristics of fish:
  • Fish have fins, which help them to swim and maneuver in the water.
  • Fish have gills, which allow them to breathe oxygen from the water.
  • Fish have heads and tails that are smaller than the middle portion of their bodies.

25. Hepatitis 'A' is caused by:

Correct Answer: (2) Virus
Solution:Hepatitis A is caused by the hepatitis A virus (HAV).
  • HAV is a highly contagious virus that can be spread through contact with the feces of an infected person.
  • This can happen through contaminated food or water, or through close personal contact, such as sexual contact or caring for an infected per-son.
  • HAV can also be spread through blood transfusions. but this is rare in developed countries where blood is screened for HAV.

26. Earthworms breathe through their______ .

Correct Answer: (4) Skin
Solution:Earthworms do not have lungs or gills.
  • Instead, they absorb oxygen from the air through their skin.
  • Their skin is covered in a moist mucus layer that helps to facilitate oxygen diffusion.
  • To breathe, earthworms need to stay moist.
  • If their skin dries out, they will not be able to absorb oxygen and will suffocate.
  • This is why earthworms are often seen on the surface of the ground after a rain shower.
  • The rain helps to keep their skin moist and allows them to breathe.

27. Yeast is used in the production of:

Correct Answer: (3) Alcohol
Solution:Yeast is a fungus that can convert sugar into alcohol and carbon dioxide.
  • This process is called fermen tation.
  • Fermentation is used to pro duce a variety of alcoholte bev erages, including beer, wine. and sake. It is also used to pro duce biofuels, such as etha-nol.
  • The Fermentation process dis-covered by french chemist Louis pasteur in 1857.
  • Yeast is also used in baking
  • When yeast is added to dough. It ferments the sugar in the dough and produces carbon dioxide gas.
  • This gas causes the dough to rise.

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: (3) Swachh Bharat
Solution:The mission that the Government of India initiated in the year 2016 to improve sewage disposal is called Swachh Bharat Mission.
  • Swachh Bharat Mission, also known as Clean India Mission, is a nationwide campaign to eliminate open defecation and improve solid waste management in India.
  • The mission was launched by Prime Minister Narendra Modi on 2nd October, 2014.

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

Column-I

(A) Electric cell

(B) Switch in 'ON' position

(C) Electric Bulb

(D) Battery

Column - II

Correct Answer: (4) (A)-(IV), (B)-(III), (C)-(II),(D)-(I)
Solution:The symbol for a cell has two parallel lines at right angles to the connecting wires. To meet the standard IEC 60417, the symbol for ON is "I" (a straight line) and the symbol for OFF is "O" (a circle).

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

Correct Answer: (4) Malleability
Solution:The property of metals by which they can be beaten into thin sheets is called malleability.
  • Malleability is the ability of a material to be deformed under compressive stress without breaking.
  • Metals are generally very malleable, which is why they can be used to make a variety of products, such as foil, sheet metal, and wire.