DCOA Mixed Practice Test #307

Question 1

J.C. Daniel Award year:

Accepted Answer

1992 — Started 1992, highest Kerala film award.

Answer

1970

Answer

2000

Answer

1985

Question 2

Who founded the Nair Service Society (NSS)?‌​‍

Accepted Answer

Mannathu Padmanabhan — Mannathu Padmanabhan founded the Nair Service Society (NSS) in 1914 for the social and educational upliftment of the Nair community.‌​‍

Answer

K. Kelappan

Answer

C. Kesavan

Answer

T.K. Madhavan

Question 3

An ionic bond forms when:

Accepted Answer

Electrons are transferred from one atom to another — Metal loses electron(s), non-metal gains them — forming ions attracted electrostatically.

Answer

Electrons are shared between atoms

Answer

Atoms fuse

Answer

Protons combine

Question 4

City of Spices:

Accepted Answer

Kozhikode — Kozhikode (Calicut) — historic spice port.

Answer

Kochi

Answer

Kollam

Answer

Thrissur

Question 5

Who was called the 'Lincoln' of Kerala for uplifting backward communities?‌​‍

Accepted Answer

Pandit Karuppan — Pandit K.P. Karuppan — 'Lincoln of Kerala' for his work for depressed classes.‌​‍

Answer

Sahodaran Ayyappan

Answer

Brahmananda Swami Sivayogi

Answer

Velayudha Panikkar

Question 6

Cloning of Dolly:

Accepted Answer

Nuclear transfer — Somatic cell nuclear transfer (1996).

Answer

IVF

Answer

Gene therapy

Answer

PCR

Question 7

Kalaripayattu is:‌​‍

Accepted Answer

A martial art — Kalaripayattu is one of the oldest martial arts in the world, originating in Kerala.‌​‍

Answer

A dance form

Answer

A musical instrument

Answer

A painting style

Question 8

Mitosis produces:‌​‍

Accepted Answer

2 identical diploid daughter cells — Growth, repair. Prophase, metaphase, anaphase, telophase. Cytokinesis follows.‌​‍

Answer

2 haploid

Answer

Gametes

Answer

4 haploid cells

Question 9

A teacher notices that a 14-year-old student frequently seeks approval from peers and struggles to make independent decisions. Which social development milestone is this student likely still developing?

Accepted Answer

C. Autonomy — Autonomy (C) refers to the ability to make independent choices and decisions, which adolescents gradually develop. While self-concept (A), moral reasoning (B), and empathy (D) are important, the student's reliance on peer approval and lack of independent decision-making specifically point to autonomy development.

Answer

A. Self-concept

Answer

B. Moral reasoning

Answer

D. Empathy

Question 10

Which is commonly used to prepare ethene in the laboratory?‌​‍

Accepted Answer

Dehydration of ethanol with conc. H₂SO₄ — CH₃CH₂OH → CH₂=CH₂ + H₂O at 170 °C with conc. H₂SO₄.‌​‍

Answer

Reduction of ethanol

Answer

Oxidation of methane

Answer

Hydrogenation

DCOA Mixed Practice Test #307