General Science Jkssb Biology Set 1 Mcqs (605 MCQs) | JKSSB & SSC Quiz

General Science

jkssb biology set 1 mcqs

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Practice Questions

605 Total
Question 1 Discuss
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Which of the following plants is used to cure cold and cough?

A
Tulsi
B
Babool
C
Jamun
D
Arjun

Answer & Explanation

Correct Option: A

Tulsi (Holy Basil) possesses antibacterial and antiviral properties that make it a traditional and effective remedy for treating cold and cough symptoms.
Question 2 Discuss
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Which of the following is a man-made ecosystem?

A
Aquarium
B
Desert
C
Forest
D
Grassland

Answer & Explanation

Correct Option: A

An aquarium is an artificial, human-constructed environment carefully designed to mimic natural aquatic ecosystems for the plants and animals living inside it.
Question 3 Discuss
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Which branch of ecology deals with the characteristics of ancient environment and their relationship with ancient plants and animals?

A
Demecology
B
Ichthyology
C
Paleoecology
D
Mycology

Answer & Explanation

Correct Option: C

Paleoecology is the specific branch of science that studies the interactions between ancient organisms and their environments, relying heavily on fossils to accurately reconstruct past ecosystems.
Question 4 Discuss
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Digestion of food is an important function of the animal body. In animals like lions, cows, humans, etc., the process involves use of various organs starting from the mouth and ending with the anus. The longest part of this canal is known as the .

A
stomach
B
large intestine
C
oesophagus
D
small intestine

Answer & Explanation

Correct Option: D

The small intestine is the longest section of the digestive tract, highly coiled and specialized to maximize the surface area needed for complete nutrient absorption.
Question 5 Discuss
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Which organisms are classified as Aves?

A
Birds
B
Reptiles
C
Mammals
D
Amphibians

Answer & Explanation

Correct Option: A

The biological class Aves comprises all birds, which are uniquely characterized by feathers, toothless beaked jaws, and the laying of hard-shelled eggs.
Question 6 Discuss
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Filtration of waste products in humans happens in the kidneys. There is a large number of filtration units present inside the kidneys to help them in doing this job. These filtration units are called:

A
Bowman's capsules
B
nephrons
C
capillaries
D
alveoli

Answer & Explanation

Correct Option: B

Nephrons are the microscopic structural and functional units of the kidneys entirely responsible for filtering waste from the blood and forming urine.
Question 7 Discuss
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Which set of diseases are caused by bacteria?

A
Influenza, Dengue, Cholera
B
Typhoid, Cholera, Tuberculosis
C
Dengue, Malaria, Cholera
D
Malaria, Common cold, Influenza

Answer & Explanation

Correct Option: B

Typhoid, cholera, and tuberculosis are all serious infectious diseases strictly caused by bacterial pathogens, whereas illnesses like influenza and dengue are viral.
Question 8 Discuss
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Which of the following pairs is INCORRECTLY matched?.

A
Lactose: Milk
B
Starch: Egg yolk
C
Fructose: Grapes
D
Maltose: Wheat, cornmeal and barley

Answer & Explanation

Correct Option: B

Egg yolks are primarily composed of fats and proteins rather than starch, which is a complex carbohydrate predominantly synthesized and stored by plants.
Question 9 Discuss
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Match the points under Column A with those under Column B. Column A (Disease) Column B (Organism Responsible) i. Malaria a. Vibrio ii. Diarrhoea b. Salmonella iii. Typhoid c. Rotavirus iv. Cholera d. Plasmodium

A
i-b, ii-a, iii-c, iv-d
B
i-d, ii-c, iii-b, iv-a
C
i-a, ii-c, iii-b, iv-d
D
i-a, ii-b, iii-c, iv-d

Answer & Explanation

Correct Option: B

Malaria is widely caused by the Plasmodium parasite, diarrhea is frequently triggered by Rotavirus, typhoid is caused by Salmonella bacteria, and cholera stems from Vibrio cholerae.
Question 10 Discuss
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Which of the following is NOT a component of a flower?

A
Androecium
B
Corolla
C
Spines
D
Calyx

Answer & Explanation

Correct Option: C

Spines are generally modified leaves or stems used for protection and water conservation, not reproductive components of a typical flower like the calyx, corolla, or androecium.
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