VFA Mixed Practice Test #469

Question 1

Which is the largest freshwater lake in Kerala?

Accepted Answer

Sasthamkotta — Sasthamkotta Lake in Kollam is the largest freshwater lake in Kerala. It is also a Ramsar site (designated 2002).

Answer

Vembanad

Answer

Ashtamudi

Answer

Manasarovar

Question 2

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 3

The term 'BRICS Plus' refers to an expansion of the BRICS economic bloc. Which country was the first to be formally invited to join BRICS as part of this expansion in 2023?

Accepted Answer

D. Iran — In 2023, BRICS announced its first expansion by inviting six countries to join: Saudi Arabia, Egypt, Ethiopia, Iran, Argentina, and the UAE. However, the question asks for the first country formally invited, and among the options, Iran was the first to be publicly announced as part of the BRICS expansion. The other options were also invited but not in the initial announcement order.

Answer

A. Saudi Arabia

Answer

B. Egypt

Answer

C. Ethiopia

Question 4

World Health Day is observed on:‌​‍

Accepted Answer

7 April — WHO founding day — 7 April celebrated as World Health Day.‌​‍

Answer

1 May

Answer

10 December

Answer

5 June

Question 5

Ramakrishna Mission by:‌​‍

Accepted Answer

Vivekananda — Swami Vivekananda (1897).‌​‍

Answer

Ramakrishna

Answer

Dayananda

Answer

Aurobindo

Question 6

A teacher notices inconsistent student engagement during group activities. Which of the following action research questions is most appropriate for this scenario?

Accepted Answer

B. What strategies can enhance student participation in group activities? — Option B is the most appropriate as it directly addresses the issue of student engagement in group activities and seeks actionable strategies. Option A is too broad and unrelated to the specific issue. Option C is more exploratory and does not focus on actionable solutions. Option D is incorrect as increasing task difficulty may not address the engagement issue and could exacerbate it.

Answer

A. How can I improve my lesson planning skills?

Answer

C. Why do students prefer individual work over group work?

Answer

D. How can I increase the difficulty of group tasks?

Question 7

Malaria transmitted by:‌​‍

Accepted Answer

Anopheles — Female Anopheles mosquito.‌​‍

Answer

Aedes

Answer

Housefly

Answer

Rat

Question 8

Test cross:‌​‍

Accepted Answer

Cross with homozygous recessive — To determine unknown genotype.‌​‍

Answer

With dominant

Answer

Random

Answer

Self cross

Question 9

Drift velocity of electrons in a conductor:‌​‍

Accepted Answer

~10⁻⁴ m/s (very slow) — Despite slow drift, signal propagates near c because all electrons respond together. ‌​‍I = neAvd.

Answer

~10⁸ m/s (speed of light)

Answer

Zero

Answer

~10⁶

Question 10

Which was the first poem written by Pandit K.P. Karuppan?

Accepted Answer

Lankamardanam — Lankamardanam — Karuppan's first poem.

Answer

Jathikummi

Answer

Sthothramandaram

Answer

Udayanavirunnu

VFA Mixed Practice Test #469