DCOA Mixed Practice Test #144

Question 1

Prokaryotic cells lack:‌​‍

Accepted Answer

Membrane-bound nucleus and organelles — Bacteria, archaea. ‌​‍Have 70S ribosomes. Circular DNA in nucleoid. ‌​‍No ER, Golgi, mitochondria.

Answer

DNA

Answer

Cell wall

Answer

Ribosomes

Question 2

Kepler's third law: T² ∝:‌​‍

Accepted Answer

r³ — T² = 4π²r³/(GM). Basis of planetary period-distance relationship.‌​‍

Answer

r

Answer

r⁴

Answer

r²

Question 3

The J.C. Daniel Award is the highest honour in Malayalam cinema, conferred by the Government of Kerala for lifetime contributions. Which of the following is a key characteristic of this award?

Accepted Answer

B. The award is named after J.C. Daniel, who is considered the 'Father of Malayalam Cinema'. — J.C. Daniel is widely acknowledged as the 'Father of Malayalam Cinema' for producing and directing the first Malayalam feature film, 'Vigathakumaran'. The award is named in his honour to recognize lifetime contributions to the industry, celebrating pioneers and veterans, not just single-year performances or debut works.

Answer

A. It is awarded exclusively to directors for their debut films.

Answer

C. It specifically recognizes achievements in acting performances in a single year.

Answer

D. The selection committee is chaired by the President of the Kerala Film Producers Association.

Question 4

India's renewable energy capacity (GW 2024):‌​‍

Accepted Answer

200+ — Over 200 GW installed.‌​‍

Answer

100

Answer

50

Answer

500

Question 5

The first life forms on Earth appeared approximately:

Accepted Answer

3.5–4 billion years ago — Oldest known microbial fossils are ~3.5–3.7 billion years old.

Answer

10 million years ago

Answer

500 million years ago

Answer

1 billion years ago

Question 6

According to the National Education Policy 2020, until which class should mother tongue instruction be provided?‌​‍

Accepted Answer

Class 5 — NEP 2020 recommends mother tongue/regional language as medium of instruction at least till Grade 5.‌​‍

Answer

Class 3

Answer

Class 8

Answer

Class 10

Question 7

Which was the first state in India to fully implement e-governance?‌​‍

Accepted Answer

Kerala — Kerala pioneered FRIENDS centers.‌​‍

Answer

TN

Answer

AP

Answer

Karnataka

Question 8

Total Cost = ?‌​‍

Accepted Answer

FC + VC — TC = TFC + TVC at any output level. Average cost = TC/Q. MC = ΔTC/ΔQ.‌​‍

Answer

Revenue

Answer

FC

Answer

VC

Question 9

Which is the largest lake in Kerala?

Accepted Answer

Vembanad — Vembanad is India's longest lake (~96 km) and Kerala's largest.

Answer

Ashtamudi

Answer

Sasthamkotta

Answer

Periyar

Question 10

Homologous series differs by:‌​‍

Accepted Answer

CH₂ group (e.g., alkanes CnH2n+2) — Same functional group, similar chemistry, gradation in physical properties with increasing n.‌​‍

Answer

CH₃

Answer

CO

Answer

OH

DCOA Mixed Practice Test #144