DCOA Mixed Practice Test #737

Question 1

Advocate General appointed by:‌​‍

Accepted Answer

Governor — Governor appoints — chief legal advisor to state.‌​‍

Answer

President

Answer

CJI

Answer

CM

Question 2

Under the Right to Education (RTE) Act, what is the minimum age at which children in Kerala are entitled to free and compulsory education?

Accepted Answer

C. 5 years — The RTE Act mandates free and compulsory education for children aged 6 to 14 years. Kerala follows this provision, with Class 1 enrollment starting at 5 years (LKG/UKG not covered under RTE). Option C (5 years) is incorrect because the Act specifically covers the age group 6-14.

Answer

A. 3 years

Answer

B. 6 years

Answer

D. 4 years

Question 3

Benzene exhibits:‌​‍

Accepted Answer

Electrophilic substitution mainly (aromaticity) — 6 delocalised π electrons; 4n+2 (Hückel). ‌​‍Friedel-Crafts, nitration, sulphonation, halogenation.

Answer

Only addition

Answer

Only combustion

Answer

Only free-radical addition

Question 4

Young's double slit experiment shows:‌​‍

Accepted Answer

Wave nature via interference fringes — Fringe width β = λD/d. ‌​‍Maxima when path difference = nλ. Foundation of wave optics (1801).

Answer

Photoelectric effect

Answer

Polarization only

Answer

Particle nature of light

Question 5

Who wrote the famous work 'Jathikummi'?

Accepted Answer

Pandit Karuppan — Pandit K.P. Karuppan composed Jathikummi (1912) — anti-caste poem.

Answer

Kelappan

Answer

E.M.S.

Answer

O.N.V. Kurup

Question 6

An authentic scientifically written book on Koodiyattam:

Accepted Answer

Natya Kalpadrumam — Natya Kalpadrumam by Mani Madhava Chakyar is the classic treatise on Koodiyattam.

Answer

Hasta Lakshana Deepika

Answer

Natya Shastra

Answer

Thapathi Samvaranam

Question 7

A teacher frequently changes their voice pitch, uses gestures, and alters their position in the classroom during a lesson. Which microteaching skill is being effectively demonstrated here?

Accepted Answer

C. Skill of Stimulus Variation — The Skill of Stimulus Variation involves changing the teacher's behavior—including movement, gestures, and voice modulation—to maintain student attention and engagement throughout a lesson. This prevents monotony and keeps the learning environment dynamic, unlike the other listed skills which serve different instructional purposes.

Answer

A. Skill of Explaining

Answer

B. Skill of Reinforcement

Answer

D. Skill of Probing Questions

Question 8

The fluid-filled sac that surrounds and protects the developing fetus is called the:‌​‍

Accepted Answer

Amniotic sac — Amniotic fluid cushions and protects the fetus.‌​‍

Answer

Chorion

Answer

Placenta

Answer

Umbilical cord

Question 9

During a growth monitoring session at an Anganwadi center, a 12-month-old child is found to have a weight-for-height Z-score of -3 and a history of diarrhea in the past month. According to IMNCI, which of the following is the MOST appropriate immediate action?

Accepted Answer

A. Provide high-energy therapeutic milk and refer to a nutrition rehabilitation center — A weight-for-height Z-score of -3 indicates severe acute malnutrition (SAM), requiring immediate referral to a nutrition rehabilitation program for therapeutic feeding. Option B is for iron-deficiency anemia; Option C is for vitamin A deficiency prevention; Option D is for infants under 6 months with normal growth.

Answer

B. Prescribe iron supplementation and advise dietary modifications

Answer

C. Administer vitamin A supplementation and monitor weight weekly

Answer

D. Recommend exclusive breastfeeding and weaning foods

Question 10

The working principle of Optical Fibre Cable (OFC) is:‌​‍

Accepted Answer

Total internal reflection — Light signals travel through fibre via total internal reflection.‌​‍

Answer

Scattering

Answer

Interference

Answer

Dispersion

DCOA Mixed Practice Test #737