General Studies Practice Quiz Set 19

General Studies Quiz Section

General Studies - Multiple Choice Questions

SET 19

Useful for UPSC related exams, SSC-CGL, SSC CHSL, SSC MTS, RRB, CDS, and State Level Group-1 & Group-2 exams.

Source of Questions - NCERT 6th to 12th Textbooks.

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1Q) The spinal cord is a part of which of the following system?

(A) Skeletal system

(B) Cartilage system

(C) Central nervous system

(D) Peripheral nervous system

Show/Hide The Explanation of Answer

⇨ The spinal cord and the brain are part of the central nervous system (CNS).

⇨ Spinal cord nerves carry messages between the brain and the rest of the body.

2Q) Which of the following statement correct about the spine or the vertebral column bones?

(1) Cervical spine - 7 vertebrae

(2) Thoracic spine - 12 vertebrae

(3) Lumbar spine - 5 vertebrae

(4) Sacral - 5 fused vertebrae

(5) Coccyx - 4 fused vertebrae

(A) Only 1 and 2

(B) Only 1, 2, and 3

(C) Only 1, 2, 3, and 4

(D) Only 1, 2, 3, 4, and 5

Show/Hide The Explanation of Answer

⇨ The spine or the vertebral column is made of 33 bones called vertebrae and is divided into five segments :

⇨ (1) The cervical spine has 7 vertebrae. it allows the maximum movement of the neck.

⇨ (2) The Thoracic spine has 12 vertebrae. It supports the rib cage and protects the lungs and heart.

⇨ (3) The Lumbar spine has 5 vertebrae. It supports the weight of the body and helps in carrying heavy objects.

⇨ (4) The Sacral has 5 vertebrae. It is a triangular-shaped bone that connects to the hips on either side. they form a ring called the pelvic girdle.

⇨ (5) The Coccyx has 4 vertebrae. Its main function is to provide attachment for ligaments and muscles of the pelvic floor.

3Q) Which of the following is an example of the invertebrates?

(1) Sea stars

(2) Earthworms

(3) Sponges

(4) Jellyfish

(A) Only 1 and 2

(B) Only 2 and 3

(C) Only 1, 2, and 3

(D) Only 1, 2, 3 and 4

Show/Hide The Explanation of Answer

⇨ Invertebrates are a paraphyletic group of animals that lacks a vertebral column, or backbone.

⇨ Some examples are sea stars, sea urchins, arthropods, earthworms, sponges, mollusks, jellyfish, lobsters, crabs, annelids, insects, spiders, echinoderms, snails, clams, cnidarians, and squid.

⇨ (1) Invertebrates especially play an important role in plant pollination.

⇨ (2) These act as parasites or agents for the transmission of parasitic infections to humans and other vertebrates.

⇨ (3) These play a major role in food chains that support humans, birds, fish, and many other vertebrate species.

4Q) Which of the following planets do not have natural satellites?

(1) Mercury planet

(2) Venus

(3) Uranus

(4) Neptune

(A) Only 1 and 2

(B) Only 2 and 3

(C) Only 1, 2, and 3

(D) Only 1, 2, 3, and 4

Show/Hide The Explanation of Answer

⇨ Mercury and Venus are the only planets without natural satellites.

⇨ Planets and corresponding Number of moons :

⇨ (1) Mercury Planet - 0

⇨ (2) Venus - 0

⇨ (3) Earth - 1

⇨ (4) Mars - 2

⇨ (5) Jupiter - 95

⇨ (6) Saturn - 145

⇨ (7) Uranus - 27

⇨ (8) Neptune - 14

5Q) Observe the statements below and choose the correct option.

Assertion (A): The existence of human life on Venus is highly improbable.

Reason (R): Venus has an extremely high level of carbon dioxide in its atmosphere.

(A) Both A and R are true and R is the correct explanation of A

(B) Both A and R are true but R is NOT the correct explanation of A

(C) A is true but R is false

(D) A is false but R is true

Show/Hide The Explanation of Answer

⇨ Venus second closest planet after Mercury to the Sun. It is also known as "Earth's twin" because of its size, mass, and density.

⇨ The existence of human life on Venus is highly improbable because Venus has an extremely high level of carbon dioxide in its atmosphere followed by nitrogen.

6Q) Observe the statements below and choose the correct option.

Assertion (A): The same face of the Moon is always presented to the Earth.

Reason (R): The Moon rotates about its own axis in 23½ days which is about the same time that it takes to orbit the Earth.

(A) Both A and R are true and R is the correct explanation of A

(B) Both A and R are true but R is NOT the correct explanation of A

(C) A is true but R is false

(D) A is false but R is true

Show/Hide The Explanation of Answer

⇨ The moon takes 27.3 days to complete one rotation about its own axis. It takes exactly the same time to complete one rotation around the Earth.

⇨ This is the reason the same face of the Moon is always presented to the Earth.

⇨ The Moon takes 29.5 days to return to the same point on the celestial sphere as it points to the Sun due to the Earth's motion around the Sun.

⇨ That means Moon takes 29.5 days to change from New Moon to New Moon.

7Q) Which of the following are the Likely Dwarf Planets?

(1) Pluto

(2) Quaoar

(3) Haumea

(4) Gonggong

(A) Only 1 and 2

(B) Only 1 and 3

(C) Only 1, 2, and 3

(D) Only 1, 2, 3, and 4

Show/Hide The Explanation of Answer

⇨ Likely Dwarf Planets are Pluto, Eris, Haumea, Makemake, Gonggong, Quaoar, Sedna, Ceres, and Orcus.

8Q) The International Astronomical Union (IAU) on 24th August 2006 defined the planet as which of the following?

(1) It is in orbit around the Sun.

(2) It has sufficient mass to assume hydrostatic equilibrium (nearly round shape).

(3) It has "cleared the neighbourhood" around its orbit.

(A) Only 1 and 2

(B) Only 2 and 3

(C) Only 1 and 3

(D) Only 1, 2, and 3

Show/Hide The Explanation of Answer

⇨ The International Astronomical Union (IAU) on 24th August 2006 defined the planet as follows:

⇨ (1) It is in orbit around the Sun.

⇨ (2) It has sufficient mass to assume hydrostatic equilibrium (nearly round shape).

⇨ (3) It has "cleared the neighbourhood" around its orbit.

⇨ Pluto has fulfilled only the first two of these criteria and is classified as a dwarf planet.

⇨ The International Astronomical Union (IAU) was founded in 1919, headquartered in Paris, France.

9Q) Who introduced the “portfolio system” under the British India Act?

(A) Introduced by Lord Canning in 1859 and the Council Act of 1861.

(B) Introduced by Lord Canning in 1859 under the Council Act of 1892.

(C) Introduced by Lord William Bentinck in 1854 and the Charter Act of 1833.

(D) Introduced by Lord William Bentinck in 1854 and the Charter Act of 1853.

Show/Hide The Explanation of Answer

⇨ The Indian Councils Act, 1861 during the time of Lord Canning, leading to the introduction of the portfolio system in 1859 and the inception of the Executive Council of the Governor-General.

10Q) Which Indian became the first to join the viceroy's Executive Council and was appointed as a Law member?

(A) Satyendra Prasad Sinha

(B) M n Roy

(C) Dr sachchidanand Sinha

(D) Nalini Ranjan Sarkar

Show/Hide The Explanation of Answer

⇨ Satyendra Prasad Sinha, the first Indian to be appointed to the executive council of the viceroy and was appointed as a Law member.

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