Which of the following is not derived from wild cabbage?

• (A) Broccoli
• (B) Cauliflower
• (C) Kohlrabi
• (D) Spinach

Which of the following scientists is associated with the theory of natural selection during the evolution of life?

• (A) Mendel
• (B) Darwin
• (C) Haldane
• (D) Miller

In which of the following conditions bio-gas is produced?

• (A) Presence of oxygen
• (B) Action of aerobic microorganisms
• (C) Action of anaerobic microorganisms
• (D) Presence of fertilizers

Why do ventricles have thicker muscular walls than atria?

• (A) Ventricles receive oxygen-rich blood than atria.
• (B) Ventricles have to pump blood into various organs
• (C) Atria have to pump blood into various organs
• (D) Ventricles first receives blood from the various organs.

Which of the following is not a reflex action?

• (A) Breathing
• (B) Heart-pumping
• (C) Salivation
• (D) Movement of hand

Which part of the brain maintains posture and equilibrium of the body?

• (A) Fore-brain
• (B) Mid-brain
• (C) Hind-brain
• (D) Spinal cord

What is the color of Litmus solution when it is neither acidic nor basic?

• (A) Red
• (B) Yellow
• (C) Blue
• (D) Purple

Which of the following statements is not correct?

• (A) All bases are soluble in water
• (B) All bases do not dissolve in water
• (C) An alkali is a base that dissolves in water
• (D) Bases generate hydroxide (OH-) ions in water.

What does ‘p’ represent in pH?

• (A) Potential
• (B) Property
• (C) Power
• (D) Potenz

Which of the following does not represent a refractive defect of vision?

• (A) Myopia
• (B) Hypermetropia
• (C) Presbyopia
• (D) Cataract

During dispersion of white light by the glass prism, which of the following light of the spectrum bends the most?

• (A) Blue
• (B) Violet
• (C) Indigo
• (D) Red

Which of the following phenomena is responsible for twinkling of stars?

• (A) Reflection of starlight
• (B) Refraction of starlight
• (C) Dispersion of starlight
• (D) Tyndall effect