DCOA Mixed Practice Test #778

Question 1

During the cardiac cycle, the term 'systole' refers to which event of the heart?

Accepted Answer

C. Contraction of the ventricles — Systole refers to the contraction phase of the cardiac cycle, specifically ventricular systole, where the ventricles contract to eject blood into the aorta and pulmonary artery. Diastole, on the other hand, refers to the relaxation and filling phase of the heart. Atrial events and valve actions are part of the overall cycle but not the sole definition of systole.

Answer

A. Filling of the atria

Answer

B. Relaxation of the atria

Answer

D. Opening of the atrioventricular valves

Question 2

Gonads:‌​‍

Accepted Answer

Sex organs — Testes and ovaries.‌​‍

Answer

Muscle

Answer

Hormone only

Answer

None

Question 3

Which SQL command is used to retrieve data?

Accepted Answer

SELECT — SELECT statement queries and returns rows from tables.

Answer

FETCH

Answer

READ

Answer

GET

Question 4

Aral Sea shrinking due to:‌​‍

Accepted Answer

Both — Both irrigation + climate.‌​‍

Answer

Irrigation diversion Soviet era

Answer

Natural

Answer

Climate

Question 5

This is the place ___ I live. (suitable relative pronoun)

Accepted Answer

Where — 'Where' is used for places.

Answer

When

Answer

What

Answer

Who

Question 6

UN International Year of Woman:

Accepted Answer

1975 — 1975 — Indira Gandhi attended World Conference.

Answer

1985

Answer

1995

Answer

2000

Question 7

In which year Sree Narayana Guru formed S.N.D.P. Yogam?

Accepted Answer

1903 — Sree Narayana Dharma Paripalana Yogam founded 15 May 1903.

Answer

1900

Answer

1901

Answer

1907

Question 8

Who founded the newspaper 'Swadeshabhimani'?‌​‍

Accepted Answer

Vakkom Maulavi — Vakkom Abdul Khader Maulavi started Swadeshabhimani in 1905.‌​‍

Answer

K.M. Maulavi

Answer

Abdurahiman Sahib

Answer

Ramakrishna Pillai

Question 9

F7 in MS Word performs:‌​‍

Accepted Answer

Spell Check — F7 runs Spell Check and Grammar Check in MS Word.‌​‍

Answer

Print

Answer

Save

Answer

Page Break

Question 10

Vitamin A deficiency:‌​‍

Accepted Answer

Night blindness — Night blindness. Source: carrot, papaya, milk.‌​‍

Answer

Scurvy

Answer

Beriberi

Answer

Rickets

DCOA Mixed Practice Test #778