VFA Mixed Practice Test #382

Question 1

Kerala Technological University:

Accepted Answer

KTU (Thiruvananthapuram HQ) — APJ Abdul Kalam Technological University.

Answer

Kochi

Answer

Kozhikode

Answer

Kollam

Question 2

Ethylene function:‌​‍

Accepted Answer

Fruit ripening — Only gaseous hormone. ‌​‍Triple response in seedlings. Used commercially (ethephon, calcium carbide).

Answer

Germination

Answer

Cell division

Answer

Stem elongation

Question 3

Wetlands in India Ramsar:

Accepted Answer

75+ — Over 75 Ramsar sites.

Answer

26

Answer

46

Answer

100

Question 4

Demonetisation in India was announced on:‌​‍

Accepted Answer

8 November 2016 — PM Modi announced demonetisation of ₹500 and ₹1000 notes on 8 November 2016.‌​‍

Answer

8 November 2015

Answer

1 January 2017

Answer

1 April 2017

Question 5

Kerala Bhasha Institute:

Accepted Answer

TVM — TVM — language institute.

Answer

Kochi

Answer

Thrissur

Answer

Kozhikode

Question 6

The greenhouse gas with the highest contribution to global warming is:‌​‍

Accepted Answer

Carbon dioxide — CO₂ is the largest contributor to anthropogenic greenhouse effect by volume.‌​‍

Answer

Methane

Answer

CFCs

Answer

Nitrous oxide

Question 7

The volunteer captain of the Guruvayoor Temple Satyagraha was:

Accepted Answer

A.K. Gopalan — A.K. Gopalan was the volunteer captain; K. Kelappan led the satyagraha (1931–32).

Answer

K. Kelappan

Answer

Pattom Thanu Pillai

Answer

Ayyankali

Question 8

Crossing over occurs in:‌​‍

Accepted Answer

Prophase I of meiosis (pachytene) — Exchange of segments between homologous chromosomes at chiasmata. ‌​‍Source of genetic variation.

Answer

Anaphase

Answer

Mitosis

Answer

Metaphase II

Question 9

Iron is an essential trace element. Its deficiency can lead to anemia. What is the primary biochemical role of iron in the human body that, when impaired, causes the characteristic symptoms of anemia?

Accepted Answer

A. Oxygen transport via hemoglobin — Iron is a critical component of the heme group in hemoglobin, the protein responsible for oxygen transport in red blood cells. In this capacity, iron reversibly binds to oxygen in the lungs and releases it in tissues. A deficiency in iron directly impairs hemoglobin synthesis, leading to reduced oxygen-carrying capacity of the blood, which is the hallmark of anemia.

Answer

B. Regulation of blood pressure

Answer

C. Formation of bone matrix

Answer

D. Synthesis of steroid hormones

Question 10

Which of the following is NOT a primary advantage of using multimedia teaching aids in a classroom?

Accepted Answer

C. Reduces the workload of teachers by automating lesson planning — Multimedia teaching aids improve engagement and support varied learning styles, but they do not automate or reduce the core workload of lesson planning. The correct answer highlights that such tools assist rather than replace pedagogical work.

Answer

A. Enhances student engagement through visual and auditory stimulation

Answer

B. Facilitates differentiated learning by catering to diverse learning styles

Answer

D. Supports experiential learning through interactive simulations

VFA Mixed Practice Test #382