DCOA Mixed Practice Test #453

Question 1

The process of water loss from leaves is:‌​‍

Accepted Answer

Transpiration — Transpiration = loss of water vapour through stomata in leaves. ‌​‍Creates suction for water uptake.

Answer

Respiration

Answer

Photosynthesis

Answer

Osmosis

Question 2

Adoor Gopalakrishnan known for:

Accepted Answer

Parallel cinema/art films — Leading filmmaker of Indian parallel cinema.

Answer

Commercial cinema

Answer

Dance

Answer

Music

Question 3

In a science class following constructivist principles, a teacher introduces a new topic on ecosystems by asking students to share their experiences visiting forests or local ponds and discussing what they observed. What is the primary purpose of this activity from a constructivist perspective?

Accepted Answer

B. To activate students' prior knowledge and engage them in the topic. — Activating prior knowledge is a crucial step in constructivist learning, as new knowledge is built upon existing understanding. This engagement phase helps students connect new concepts to their personal experiences, making learning more meaningful and facilitating the construction of new knowledge rather than just testing recall or direct instruction.

Answer

A. To assess students' memorization of ecological terms.

Answer

C. To directly provide students with the correct definitions of ecosystems.

Answer

D. To prepare students for a standardized test on environmental science.

Question 4

Onam celebrates the return of:‌​‍

Accepted Answer

King Mahabali — Onam celebrates King Mahabali's annual return to Kerala.‌​‍

Answer

Lord Rama

Answer

Lord Krishna

Answer

Parasurama

Question 5

The Simon Commission visited India in:

Accepted Answer

1928 — All-white Simon Commission (1928) was boycotted; Lala Lajpat Rai was fatally injured at Lahore.

Answer

1919

Answer

1935

Answer

1942

Question 6

Kurinji Mala is the highest peak in:

Accepted Answer

Idukki — Anamudi (2,695m) in Idukki is Kerala's highest peak.

Answer

Wayanad

Answer

Palakkad

Answer

Pathanamthitta

Question 7

Newton's Second Law of Motion states that force equals:

Accepted Answer

mass × acceleration — F = ma; net force = rate of change of momentum.

Answer

mass × velocity

Answer

mass × displacement

Answer

weight × time

Question 8

Nair Service Society (NSS), an influential Kerala community organisation, was founded in 1914 by:‌​‍

Accepted Answer

Mannathu Padmanabhan — Mannathu Padmanabhan founded NSS on 31 October 1914 at Perunna.‌​‍

Answer

K. P. Kesava Menon

Answer

Kumaran Asan

Answer

C. Keshavan

Question 9

The first woman in space was:‌​‍

Accepted Answer

Valentina Tereshkova — Valentina Tereshkova (USSR) was the first woman in space on 16 June 1963 aboard Vostok 6.‌​‍

Answer

Kalpana Chawla

Answer

Sally Ride

Answer

Sunita Williams

Question 10

The headquarters of Kerala PSC (KPSC) is at:‌​‍

Accepted Answer

Pattom, Thiruvananthapuram — The Kerala Public Service Commission is headquartered at Pattom in Thiruvananthapuram.‌​‍

Answer

Kochi

Answer

Thrissur

Answer

Kozhikode

DCOA Mixed Practice Test #453