Plus 2 Lecturer Mixed Practice Test #682

Question 1

Banasura Sagar Dam, the largest earth dam in India, is in which district?‌​‍

Accepted Answer

Wayanad — Banasura Sagar Dam in Wayanad is the largest earth dam in India and the second largest in Asia.‌​‍

Answer

Palakkad

Answer

Thrissur

Answer

Idukki

Question 2

Hybridization in graphite:

Accepted Answer

sp² — Planar hexagonal layers; each C sp² bonded to 3 Cs. Remaining p-electron delocalised → electrical conductivity along layer.

Answer

sp

Answer

sp³

Answer

sp³d

Question 3

Most abundant gas in atmosphere:‌​‍

Accepted Answer

Nitrogen — Nitrogen — 78% of Earth's atmosphere.‌​‍

Answer

Carbon dioxide

Answer

Argon

Answer

Oxygen

Question 4

The pH of human blood is approximately:‌​‍

Accepted Answer

7.4 — Normal blood pH is ~7.35-7.45 (slightly alkaline).‌​‍

Answer

6.5

Answer

7.0

Answer

8.0

Question 5

Which of the following vitamins is a cofactor for the carboxylation reactions involved in the synthesis of clotting factors like prothrombin?

Accepted Answer

C. Vitamin K — Vitamin K is essential for the carboxylation of glutamic acid residues in clotting factors, enabling them to bind calcium and function in blood coagulation. Deficiency leads to impaired clotting. The other vitamins listed do not play a role in this process.

Answer

A. Vitamin A

Answer

B. Vitamin D

Answer

D. Vitamin E

Question 6

Robert Hooke discovered:‌​‍

Accepted Answer

Cell — Observed cells in cork (1665).‌​‍

Answer

DNA

Answer

Nucleus

Answer

Chromosome

Question 7

World Environment Day is:‌​‍

Accepted Answer

5 June — 5 June = World Environment Day. ‌​‍22 April = Earth Day. 22 March = World Water Day.

Answer

22 March

Answer

22 April

Answer

16 September

Question 8

ELISA is used to detect:

Accepted Answer

Antigen or antibody (immunoassay) — Enzyme-Linked Immunosorbent Assay. HIV test, pregnancy test. Colour change indicates presence.

Answer

DNA

Answer

Enzymes

Answer

Salts

Question 9

In a remote tribal area of Kerala, there's a recognized need to construct additional classrooms, provide residential facilities for girls, and ensure barrier-free access for children with special needs in existing elementary schools. Which central-sponsored program, implemented at the state level, would primarily facilitate funding and implementation for these infrastructure development and inclusion initiatives?

Accepted Answer

D. Sarva Shiksha Abhiyan (SSA) — Sarva Shiksha Abhiyan (SSA), now part of Samagra Shiksha Abhiyan, is a central-sponsored program aimed at universalizing elementary education. It specifically provides financial assistance for infrastructure development like classrooms, toilets, ramps, and implements initiatives for out-of-school children and inclusive education. DPI is the state administrative body, NCERT is a central academic body, and KIIFB is a state financial institution for general infrastructure projects.

Answer

A. Directorate of Public Instruction (DPI)

Answer

B. Kerala Infrastructure Investment Fund Board (KIIFB)

Answer

C. National Council of Educational Research and Training (NCERT)

Question 10

Bohr's model explains:‌​‍

Accepted Answer

Hydrogen atom spectrum successfully — Explains discrete energy levels and H-spectrum. ‌​‍Fails for multi-e atoms and fine structure.

Answer

Zeeman effect

Answer

All atomic behavior

Answer

Multi-electron atoms

Plus 2 Lecturer Mixed Practice Test #682