VFA Mixed Practice Test #800

Question 1

The gas released during photosynthesis is:‌​‍

Accepted Answer

Oxygen — 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂. Plants release oxygen as a byproduct.‌​‍

Answer

Carbon Dioxide

Answer

Nitrogen

Answer

Hydrogen

Question 2

Thrissur Pooram introduced by:‌​‍

Accepted Answer

Sakthan Thampuran — Sakthan Thampuran (1790-1805).‌​‍

Answer

Marthanda Varma

Answer

Swathi Thirunal

Answer

Chithira Thirunal

Question 3

'Chenganoorathi' belongs to which Kerala narrative tradition?‌​‍

Accepted Answer

Thekkan Pattu — Chenganoorathi is a famed hero of Thekkan Pattu (southern ballads).‌​‍

Answer

Thottam Pattu

Answer

Idanadan Pattu

Answer

Vadakkan Pattu

Question 4

Recent IPCC reports consistently highlight an observed trend in extreme weather events globally. Considering these assessments, which of the following statements is most accurate regarding the relationship between climate change and extreme weather?

Accepted Answer

C. Climate change is increasing the frequency and intensity of many pre-existing extreme weather events, such as heatwaves, heavy precipitation, and tropical cyclones. — IPCC reports unequivocally state that human-induced climate change is increasing the frequency and intensity of many extreme weather events globally, including heatwaves, heavy precipitation, and tropical cyclones. While climate change does not create entirely new types of events, it significantly alters the probability and characteristics of existing ones. Natural variability plays a role, but the observed trends in extremes cannot be explained without accounting for human influence.

Answer

A. Climate change causes entirely new types of extreme weather events that have never occurred before.

Answer

B. While climate change influences global average temperatures, it has no significant impact on the frequency or intensity of localized extreme weather events.

Answer

D. The observed increase in extreme weather events is primarily due to natural climate variability, with human-induced climate change playing a minor, insignificant role.

Question 5

The Vayalar Award is a prominent annual literary award in Malayalam. Which of the following statements correctly identifies its unique sponsoring body?

Accepted Answer

C. It is presented by the Vayalar Ramavarma Memorial Trust. — Unlike many state-sponsored or academic body awards, the Vayalar Award stands out as it is exclusively instituted and presented by the Vayalar Ramavarma Memorial Trust. This trust was established in memory of the esteemed poet Vayalar Ramavarma, making it a unique non-governmental literary honour.

Answer

A. It is instituted and presented by the Government of Kerala's Cultural Department.

Answer

B. The award is conferred by the Kerala Sahitya Akademi.

Answer

D. The award is managed by a consortium of leading Malayalam publishers.

Question 6

The audible frequency range for humans is approximately:

Accepted Answer

20 Hz – 20,000 Hz — Below 20 Hz is infrasound; above 20 kHz is ultrasound.

Answer

1–100 Hz

Answer

100 kHz – 1 MHz

Answer

Above 20,000 Hz

Question 7

Direction cosines of vector (a, b, c):‌​‍

Accepted Answer

a/|v|, b/|v|, c/|v| — Sum of squares of direction cosines = 1. Angle with x, y, z axes.‌​‍

Answer

1, 1, 1

Answer

a², b², c²

Answer

a, b, c

Question 8

'Origin of Species' was written by:‌​‍

Accepted Answer

Charles Darwin — Charles Darwin wrote Origin of Species (1859), proposing the theory of evolution by natural selection.‌​‍

Answer

Newton

Answer

Einstein

Answer

Mendel

Question 9

To foster a sense of ownership and responsibility among students regarding classroom behavior, which approach to establishing classroom rules is generally considered most effective?

Accepted Answer

B. Students collectively brainstorm and agree upon a few essential rules with teacher guidance. — Involving students in the process of creating classroom rules fosters a sense of ownership and increases their commitment to following them. When students have a voice in rule-setting, they are more likely to internalize and adhere to the expectations. Dictating rules solely by the teacher or introducing them reactively are less effective.

Answer

A. The teacher solely dictates a comprehensive list of rules on the first day.

Answer

C. Rules are introduced only when a significant behavioral issue arises.

Answer

D. Parents are responsible for setting and enforcing all classroom rules.

Question 10

ICDS (Integrated Child Development Services):

Accepted Answer

1975 — World's largest early childhood programme. Anganwadis deliver nutrition, immunisation, pre-school ed, health. Women & Child Development Ministry.

Answer

1947

Answer

2000

Answer

1991

VFA Mixed Practice Test #800