DCOA Mixed Practice Test #138

Question 1

One who studies rocks is a:

Accepted Answer

Geologist — Geology = study of Earth, rocks, geological processes.

Answer

Zoologist

Answer

Botanist

Answer

Astronomer

Question 2

Which of the following is NOT a characteristic of a constructivist learning environment?

Accepted Answer

C. Assessment focuses primarily on students' ability to recall isolated facts through rote memorization. — In a constructivist environment, assessment is more holistic, focusing on understanding, application, and the process of knowledge construction, rather than just recall of isolated facts. Options A, B, and D are all core characteristics of constructivist learning, emphasizing active student engagement and the teacher's role as a guide.

Answer

A. Learners actively participate in problem-solving and inquiry.

Answer

B. Teachers facilitate learning by posing questions and providing resources.

Answer

D. Learning activities are designed to build upon students' prior knowledge and experiences.

Question 3

What is the primary function of the diaphragm in the human respiratory system?

Accepted Answer

D. To contract and relax, causing inhalation and exhalation — The diaphragm is the primary muscle of respiration. When it contracts, it flattens, increasing the volume of the thoracic cavity and causing inhalation. When it relaxes, it moves upwards, decreasing the volume and causing exhalation. Filtering air occurs in the upper respiratory tract, gas exchange in alveoli, and breathing rate is regulated by the brainstem.

Answer

A. To filter inhaled air

Answer

B. To facilitate gas exchange in the alveoli

Answer

C. To regulate the rate of breathing

Question 4

Deepest ocean point:‌​‍

Accepted Answer

Mariana Trench — Mariana Trench (~11,034 m).‌​‍

Answer

Tonga Trench

Answer

Puerto Rico Trench

Answer

Java Trench

Question 5

Which Kerala author-work pair does NOT match? ‌​‍(i) Brahmananda Sivayogi-Adwaitha Chintha Paddhathi (ii) Sree Narayana Guru-Darsanamala (iii) Chattampi Swamikal-Pracheena Malayalam (iv) V.T. Bhattathiripad-Markkudakkullile Mahanarakam

Accepted Answer

(i) only — Brahmananda Sivayogi wrote 'Mokshapradeepam' — NOT 'Adwaitha Chintha Paddhathi'. ‌​‍Others are correct matches.

Answer

(i) and (iv)

Answer

(iii) only

Answer

(iv) only

Question 6

Kerala COVID response praised for:‌​‍

Accepted Answer

Health infrastructure, testing, tracing — 'Kerala model' of COVID response.‌​‍

Answer

Nothing

Answer

Unknown

Answer

Vaccination only

Question 7

The novel 'Anandamath' (1882), from which the national song 'Vande Mataram' is taken, was written by:

Accepted Answer

Bankim Chandra Chatterjee — Bankim Chandra Chatterjee wrote Anandamath in 1882; Vande Mataram appears as a song sung by the character Bhavanandan.

Answer

Rabindranath Tagore

Answer

Sarat Chandra Chattopadhyay

Answer

Michael Madhusudan Dutt

Question 8

A child is slow in development, has an open fontanelle, profuse sour sweat on the head during sleep, and craves indigestible things like chalk or eggs. They are generally chilly and tend to be plump. Which remedy is indicated?

Accepted Answer

C. Calcarea carbonica — Calcarea carbonica is indicated for individuals who are slow in development, chilly, tend to be plump, and exhibit characteristic symptoms like profuse sour sweat on the head during sleep and cravings for indigestible things or eggs. Silicea has offensive foot sweat, Baryta carbonica is for arrested development and mental/physical dwarfism, and Tuberculinum is for destructive processes.

Answer

A. Baryta carbonica

Answer

B. Silicea

Answer

D. Tuberculinum

Question 9

A teacher consistently offers small prizes (stickers, candies) to students who complete their homework on time, even for tasks they previously enjoyed doing without any external incentive. Over time, the teacher observes that some students now refuse to do homework unless a prize is offered. This scenario best illustrates which phenomenon related to motivation?

Accepted Answer

B. Overjustification effect — The overjustification effect occurs when an expected external incentive decreases a person's intrinsic motivation to perform a task. When students who previously enjoyed homework start demanding rewards, their intrinsic motivation has been 'overjustified' by the external incentives, leading to a decline in their internal drive.

Answer

A. Self-efficacy enhancement

Answer

C. Attribution theory

Answer

D. Goal-setting theory

Question 10

Calicut International Airport:‌​‍

Accepted Answer

Kondotty (Malappuram) — Kondotty, Malappuram district.‌​‍

Answer

Kozhikode city

Answer

Ramanattukara

Answer

Feroke

DCOA Mixed Practice Test #138