Secretariat Assistant Mixed Practice Test #81

Question 1

Synonym of AMICABLE:

Accepted Answer

Friendly — Friendly.

Answer

Hostile

Answer

Cold

Answer

Strange

Question 2

Number of districts:‌​‍

Accepted Answer

14 — 14 districts.‌​‍

Answer

12

Answer

13

Answer

15

Question 3

Which provision of the Right to Education (RTE) Act, 2009 ensures that no child is denied admission or expelled from school on grounds of disability?

Accepted Answer

A. Section 12(1)(c) — Section 12(1)(c) of the RTE Act mandates that private unaided schools must admit at least 25% of their class strength from disadvantaged groups, including children with disabilities, ensuring inclusive education. The other sections do not directly address this provision.

Answer

B. Section 21

Answer

C. Section 3(2)

Answer

D. Section 9

Question 4

When you accidentally touch a hot stove, your hand quickly recoils before you even consciously register the pain. This rapid, involuntary action is mediated by a reflex arc. Which part of the nervous system is NOT directly involved in the immediate effector response of a simple reflex arc?

Accepted Answer

D. Cerebrum — A typical reflex arc involves a sensory neuron (detects stimulus), an interneuron (processes in the spinal cord), and a motor neuron (activates muscle). The cerebrum is responsible for conscious thought, perception, and voluntary actions, which occur after or parallel to the immediate reflex action, not as part of its direct pathway.

Answer

A. Sensory neuron

Answer

B. Motor neuron

Answer

C. Interneuron

Question 5

What number lies exactly between 1/2 and 3/4 on the number line?

Accepted Answer

5/8 — Mean of 1/2 and 3/4 = (1/2 + 3/4)/2 = (2/4 + 3/4)/2 = 5/8.

Answer

7/8

Answer

1/4

Answer

1

Question 6

If ROSE is coded as 6821, then 1862 = ?

Accepted Answer

SORE — R=6,O=8,S=2,E=1. 1=E,8=O,6=R,2=S → SORE.

Answer

ESOR

Answer

ESRO

Answer

ROES

Question 7

Surface area of sphere r=7:

Accepted Answer

616 — 4πr²=4×22/7×49=616.

Answer

308

Answer

1232

Answer

154

Question 8

Panama Canal length:‌​‍

Accepted Answer

82 km — Approximately 82 km.‌​‍

Answer

200 km

Answer

100 km

Answer

50 km

Question 9

When introducing a complex abstract concept in mathematics, such as 'calculus limits', which type of teaching aid would be most effective in helping students grasp the underlying principles through visualization and manipulation, rather than just theoretical explanation?

Accepted Answer

A. Interactive simulations or dynamic geometry software (e.g., GeoGebra) — Interactive simulations and dynamic geometry software allow students to visualize the abstract concepts of calculus limits, manipulate variables, and observe immediate graphical changes, leading to a deeper conceptual understanding. While other options provide information, they lack the hands-on, exploratory, and dynamic visualization capabilities crucial for demystifying complex abstract mathematical concepts.

Answer

B. Detailed textbook explanations and solved examples

Answer

C. Traditional whiteboard explanations with static diagrams

Answer

D. Video lectures by an expert mathematician

Question 10

What is the natural pacemaker of the heart?‌​‍

Accepted Answer

SA node — Sinoatrial node initiates heartbeat.

Answer

AV node

Answer

Bundle of His

Answer

Purkinje fibres

Secretariat Assistant Mixed Practice Test #81