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1 Biology Mcqs

Which is considered the blackest fish in the oceans?

  • Black Seafish
  • Black Dragonfish
  • Black Seahorse
  • Black Gillfish
0 Comments
Correct Answer: B. Black Dragonfish

Explanation:

The oceans are home to a wide variety of marine life, including species ... Read More Details

2 Biology Mcqs

Sensory neurons carry messages towards which part of the body?

  • Muscle
  • Muscles and glands
  • Sense organs
  • Brain and spinal cord
0 Comments
Correct Answer: D. Brain and spinal cord

Explanation:

The human nervous system relies on different types of neurons to transmit messages ... Read More Details

3 Biology Mcqs

The part of a neuron that receives messages is called:

  • Cell body
  • Axon
  • Nucleus
  • Dendrite
0 Comments
Correct Answer: D. Dendrite

Explanation:

A neuron is the basic structural and functional unit of the nervous system, ... Read More Details

4 Biology Mcqs

The accumulation of salts in the kidneys results in which condition?

  • Diabetes
  • Hypertension
  • Cancer
  • Kidney stones
0 Comments
Correct Answer: D. Kidney stones

Explanation:

The kidneys are vital organs responsible for filtering waste products, excess water, and ... Read More Details

5 Biology Mcqs

Medium-sized kidney stones are removed by which method?

  • Dialysis
  • Lithotripsy
  • Excretion
  • Laser
0 Comments
Correct Answer: B. Lithotripsy

Explanation:

Kidney stones are hard deposits of minerals and salts that form inside the ... Read More Details

6 Physics MCQs

Which type of radiation has the most energetic (strongest) photons?

  • X-Rays
  • Gamma rays
  • Microwaves
  • Electromagnetic waves
0 Comments
Correct Answer: B. Gamma rays

Explanation:

Electromagnetic radiation consists of waves of electric and magnetic fields that travel through ... Read More Details

7 Chemistry MCQs

Permanent hardness of water can be removed by adding which substance?

  • Sodium carbonate (Na₂CO₃)
  • Alum (KAl(SO₄)₂·12H₂O)
  • Potassium permanganate (KMnO₄)
  • Lime (Ca(OH)₂)
0 Comments
Correct Answer: A. Sodium carbonate (Na₂CO₃)

Explanation:

Water hardness is a common issue that affects domestic and industrial water use. ... Read More Details

8 Biology Mcqs

The human eye has approximately how many megapixels of resolution?

  • 1080 MP
  • 720 MP
  • 576 MP
  • 570 MP
0 Comments
Correct Answer: C. 576 MP

Explanation:

The human eye is a highly specialized organ designed to detect light, color, ... Read More Details

9 Inorganic Chemistry MCQs

Which halogen reacts very slowly with hydrogen?

  • Fluorine (F₂)
  • Chlorine (Cl₂)
  • Bromine (Br₂)
  • Iodine (I₂)
0 Comments
Correct Answer: D. Iodine (I₂)

Explanation:

Halogens react with hydrogen to form hydrogen halides (HX). The reactivity of halogens ... Read More Details

10 Inorganic Chemistry MCQs

Which halogen has the highest electron affinity?

  • Fluorine
  • Chlorine
  • Bromine
  • Iodine
0 Comments
Correct Answer: B. Chlorine

Explanation:

Electron affinity is the energy change when an atom gains an electron. Among ... Read More Details