Biology 10th : āĻā§ā§ąāĻŦāĻŋāĻā§āĻāĻžāĻ¨ (āĻĻāĻļāĻŽ āĻļā§ā§°ā§āĻŖā§) â MCQ Set 1
HSLC Biology Exam Tip : HSLC āĻā§ā§ąāĻŦāĻŋāĻā§āĻāĻžāĻ¨ āĻĒā§°ā§āĻā§āĻˇāĻžā§° āĻāĻŋāĻĒāĻ
- Definitions → 1–2 lines : āĻ¸āĻāĻā§āĻāĻž (Definitions) → ā§§–ā§¨ āĻāĻž āĻ¸ā§āĻĒāĻˇā§āĻ āĻŦāĻžāĻā§āĻ¯āĻ¤ āĻ˛āĻŋāĻāĻŋāĻŦāĻž
- Differences → 2 clear points : āĻĒāĻžā§°ā§āĻĨāĻā§āĻ¯ (Differences) → ā§¨ āĻāĻž āĻ¸ā§āĻĒāĻˇā§āĻ āĻŦāĻŋāĻ¨ā§āĻĻā§āĻ¤ āĻ˛āĻŋāĻāĻŋāĻŦāĻž
- Diagrams (if asked) → Label neatly : āĻāĻŋāĻ¤ā§ā§° (Diagrams) → āĻ¯āĻĻāĻŋ āĻ¸ā§āĻ§āĻž āĻšāĻ¯āĻŧ, āĻ¤ā§āĻ¨ā§āĻ¤ā§ āĻāĻŋāĻā§ā§°āĻā§ āĻĒā§°āĻŋāĻˇā§āĻāĻžā§°āĻā§ āĻāĻāĻāĻŋ āĻ¸āĻ āĻŋāĻāĻāĻžā§ąā§ āĻ˛ā§āĻŦā§āĻ˛ āĻĻāĻŋāĻŦāĻž
Q1. What is Photosynthesis ? āĻĒā§ā§°āĻļā§āĻ¨: āĻĒā§ā§°āĻāĻžāĻļāĻ¸āĻāĻļā§āĻ˛ā§āĻˇāĻŖ āĻāĻŋ ?
Ans: Photosynthesis is the process by which green plants prepare their own food using sunlight, carbon dioxide and water in the presence of chlorophyll.
āĻāĻ¤ā§āĻ¤ā§°: āĻĒā§ā§°āĻāĻžāĻļāĻ¸āĻāĻļā§āĻ˛ā§āĻˇāĻŖ āĻšā§āĻā§ āĻ¸ā§āĻ āĻĒā§ā§°āĻā§ā§°āĻŋāĻ¯āĻŧāĻž āĻ¯āĻžā§° āĻĻā§āĻŦāĻžā§°āĻž āĻ¸ā§āĻāĻā§āĻ¯āĻŧāĻž āĻāĻĻā§āĻāĻŋāĻĻā§ āĻ¸ā§ā§°ā§āĻ¯ā§° āĻĒā§āĻšā§°, āĻāĻžā§°ā§āĻŦāĻ¨ āĻĄāĻžāĻāĻ āĻā§āĻ¸āĻžāĻāĻĄ āĻā§°ā§ āĻĒāĻžāĻ¨ā§ āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āĻā§°āĻŋ āĻ¨āĻŋāĻ āĻāĻžāĻĻā§āĻ¯ āĻĒā§ā§°āĻ¸ā§āĻ¤ā§āĻ¤ āĻā§°ā§āĨ¤
Q2. Name the raw materials required for photosynthesis. āĻĒā§ā§°āĻļā§āĻ¨: āĻĒā§ā§°āĻāĻžāĻļāĻ¸āĻāĻļā§āĻ˛ā§āĻˇāĻŖā§° āĻŦāĻžāĻŦā§ āĻĒā§ā§°āĻ¯āĻŧā§āĻāĻ¨ā§āĻ¯āĻŧ āĻāĻžāĻāĻāĻžāĻŽāĻžāĻ˛āĻ¸āĻŽā§āĻšā§° āĻ¨āĻžāĻŽ āĻ˛āĻŋāĻāĻžāĨ¤
Ans: 1. Carbon dioxide, 2. Water, 3. Sunlight, 4. Chlorophyll
āĻāĻ¤ā§āĻ¤ā§°: 1. āĻāĻžā§°ā§āĻŦāĻ¨ āĻĄāĻžāĻāĻ āĻā§āĻ¸āĻžāĻāĻĄ, 2. āĻĒāĻžāĻ¨ā§, 3. āĻ¸ā§ā§°ā§āĻ¯ā§° āĻĒā§āĻšā§°, 4. āĻā§āĻ˛ā§ā§°ā§āĻĢāĻŋāĻ˛
Q3. What is Respiration ? āĻĒā§ā§°āĻļā§āĻ¨: āĻļā§āĻŦāĻžāĻ¸-āĻĒā§ā§°āĻļā§āĻŦāĻžāĻ¸ āĻāĻŋ ?
Ans: Respiration is the process of breaking down food to release energy in living organisms.
āĻāĻ¤ā§āĻ¤ā§°: āĻļā§āĻŦāĻžāĻ¸-āĻĒā§ā§°āĻļā§āĻŦāĻžāĻ¸ āĻšā§āĻā§ āĻā§ā§ąāĻ¤ āĻāĻžāĻĻā§āĻ¯ āĻāĻžāĻāĻŋ āĻļāĻā§āĻ¤āĻŋ āĻŽā§āĻā§āĻ¤ āĻā§°āĻžā§° āĻĒā§ā§°āĻā§ā§°āĻŋāĻ¯āĻŧāĻžāĨ¤
Q4. Differentiate between Aerobic and Anaerobic Respiration. āĻĒā§ā§°āĻļā§āĻ¨: āĻā§°ā§āĻŦāĻŋāĻ āĻā§°ā§ āĻāĻ¨ā§ā§°ā§āĻŦāĻŋāĻ āĻļā§āĻŦāĻžāĻ¸-āĻĒā§ā§°āĻļā§āĻŦāĻžāĻ¸ā§° āĻŽāĻžāĻāĻ¤ āĻĒāĻžā§°ā§āĻĨāĻā§āĻ¯ āĻ˛āĻŋāĻāĻžāĨ¤
Ans: 1. Aerobic respiration: Takes place in the presence of oxygen and releases more energy. 2. Anaerobic respiration: Occurs without oxygen and releases less energy.
āĻāĻ¤ā§āĻ¤ā§°: 1. āĻā§°ā§āĻŦāĻŋāĻ āĻļā§āĻŦāĻžāĻ¸-āĻĒā§ā§°āĻļā§āĻŦāĻžāĻ¸: āĻ āĻā§āĻ¸āĻŋāĻā§āĻ¨ā§° āĻāĻĒāĻ¸ā§āĻĨāĻŋāĻ¤āĻŋāĻ¤ āĻāĻā§ āĻā§°ā§ āĻ āĻ§āĻŋāĻ āĻļāĻā§āĻ¤āĻŋ āĻŽā§āĻā§āĻ¤ āĻā§°ā§āĨ¤ 2. āĻāĻ¨ā§ā§°ā§āĻŦāĻŋāĻ āĻļā§āĻŦāĻžāĻ¸-āĻĒā§ā§°āĻļā§āĻŦāĻžāĻ¸: āĻ āĻā§āĻ¸āĻŋāĻā§āĻ¨ āĻ¨āĻĨāĻāĻžāĻā§ āĻāĻā§ āĻā§°ā§ āĻāĻŽ āĻļāĻā§āĻ¤āĻŋ āĻŽā§āĻā§āĻ¤ āĻā§°ā§āĨ¤
Q5. What is a Tissue ? āĻĒā§ā§°āĻļā§āĻ¨: āĻāĻŋāĻ¸ā§āĻ¯ā§ āĻāĻŋ ?
Ans: A tissue is a group of similar cells that work together to perform a specific function.
āĻāĻ¤ā§āĻ¤ā§°: āĻāĻŋāĻ¸ā§āĻ¯ā§ āĻŦā§āĻ˛āĻŋāĻ˛ā§ āĻāĻā§ āĻ§ā§°āĻŖā§° āĻā§āĻˇāĻ¸āĻŽā§āĻšā§ āĻāĻā§āĻ˛āĻā§ āĻŽāĻŋāĻ˛āĻŋ āĻŦāĻŋāĻļā§āĻˇ āĻāĻžā§°ā§āĻ¯ āĻ¸āĻŽā§āĻĒāĻžāĻĻāĻ¨ āĻā§°āĻž āĻā§āĻāĻ āĻŦā§āĻāĻžāĻ¯āĻŧāĨ¤
Q6. Name any two types of plant tissues. āĻĒā§ā§°āĻļā§āĻ¨: āĻāĻĻā§āĻāĻŋāĻĻ āĻāĻŋāĻ¸ā§āĻ¯ā§ā§° āĻ¯āĻŋāĻā§āĻ¨ā§ āĻĻā§āĻāĻž āĻĒā§ā§°āĻāĻžā§°ā§° āĻ¨āĻžāĻŽ āĻ˛āĻŋāĻāĻžāĨ¤
Ans: 1. Meristematic tissue, 2. Permanent tissue
āĻāĻ¤ā§āĻ¤ā§°: 1. āĻŽā§āĻ°āĻŋāĻˇā§āĻā§āĻŽā§āĻāĻŋāĻ āĻāĻŋāĻ¸ā§āĻ¯ā§, 2. āĻ¸ā§āĻĨāĻžāĻ¯āĻŧā§ āĻāĻŋāĻ¸ā§āĻ¯ā§
Q7. What is Blood ? Write one function. āĻĒā§ā§°āĻļā§āĻ¨: ā§°āĻā§āĻ¤ āĻāĻŋ ? āĻāĻ¯āĻŧāĻžā§° āĻāĻāĻž āĻāĻžā§°ā§āĻ¯ āĻ˛āĻŋāĻāĻžāĨ¤
Ans: Blood is a fluid connective tissue.
One function: It transports oxygen and nutrients to different parts of the body.
āĻāĻ¤ā§āĻ¤ā§°: ā§°āĻā§āĻ¤ āĻšā§āĻā§ āĻāĻāĻž āĻ¤ā§°āĻ˛ āĻ¸āĻāĻ¯ā§āĻā§ āĻāĻŋāĻ¸ā§āĻ¯ā§āĨ¤
āĻāĻāĻž āĻāĻžā§°ā§āĻ¯: āĻ āĻĻā§āĻšā§° āĻŦāĻŋāĻāĻŋāĻ¨ā§āĻ¨ āĻ
āĻāĻļāĻ˛ā§ āĻ
āĻā§āĻ¸āĻŋāĻā§āĻ¨ āĻā§°ā§ āĻĒā§āĻˇā§āĻāĻŋ āĻĒāĻĻāĻžā§°ā§āĻĨ āĻŦāĻšāĻ¨ āĻā§°ā§āĨ¤
Q8. What is Transpiration ? āĻĒā§ā§°āĻļā§āĻ¨: āĻŦāĻžāĻˇā§āĻĒā§ā§āĻ¸ā§°ā§āĻ āĻāĻŋ ?
Ans: Transpiration is the loss of water in the form of water vapour from the aerial parts of plants.
āĻāĻ¤ā§āĻ¤ā§°: āĻŦāĻžāĻˇā§āĻĒā§ā§āĻ¸ā§°ā§āĻ āĻšā§āĻā§ āĻāĻĻā§āĻāĻŋāĻĻā§° āĻāĻĒā§°ā§° āĻ āĻāĻļā§° āĻĒā§°āĻž āĻāĻ˛ā§āĻ¯āĻŧ āĻŦāĻžāĻˇā§āĻĒ āĻšāĻŋāĻāĻžāĻĒā§ āĻĒāĻžāĻ¨ā§ā§° āĻā§āĻˇāĻ¯āĻŧ āĻšā§ā§ąāĻž āĻĒā§ā§°āĻā§ā§°āĻŋāĻ¯āĻŧāĻžāĨ¤
Q9. Name the organs of the human excretory system. āĻĒā§ā§°āĻļā§āĻ¨: āĻŽāĻžāĻ¨ā§āĻšā§° āĻŦāĻ°ā§āĻāĻ¨ āĻ¤āĻ¨ā§āĻ¤ā§ā§°ā§° āĻ āĻāĻāĻ¸āĻŽā§āĻšā§° āĻ¨āĻžāĻŽ āĻ˛āĻŋāĻāĻžāĨ¤
Ans: 1. Kidneys, 2. Ureters, 3. Urinary bladder, 4. Urethra
āĻāĻ¤ā§āĻ¤ā§°: 1. āĻŦā§āĻā§āĻ, 2. āĻāĻā§°ā§āĻāĻžā§°, 3. āĻŽā§āĻ¤ā§ā§°āĻžāĻļāĻ¯āĻŧ, 4. āĻāĻā§°ā§āĻĨā§ā§°āĻž
Q10. What is an Ecosystem ? āĻĒā§ā§°āĻļā§āĻ¨: āĻĒā§°āĻŋāĻ¸ā§āĻĨāĻŋāĻ¤āĻŋāĻ¤āĻ¨ā§āĻ¤ā§ā§° āĻāĻŋ ?
Ans: An ecosystem is a system formed by the interaction between living organisms and their physical environment.
āĻāĻ¤ā§āĻ¤ā§° : āĻĒā§°āĻŋāĻ¸ā§āĻĨāĻŋāĻ¤āĻŋāĻ¤āĻ¨ā§āĻ¤ā§ā§° āĻšā§āĻā§ āĻā§ā§ą āĻā§°ā§ āĻ āĻā§ā§ą āĻāĻĒāĻžāĻĻāĻžāĻ¨āĻ¸āĻŽā§āĻšā§° āĻŽāĻžāĻā§° āĻāĻ¨ā§āĻ¤āĻāĻ¸āĻŽā§āĻĒā§°ā§āĻā§ āĻāĻ āĻŋāĻ¤ āĻŦā§āĻ¯ā§ąāĻ¸ā§āĻĨāĻžāĨ¤
HSLC Biology Exam Tip : HSLC āĻā§ā§ąāĻŦāĻŋāĻā§āĻāĻžāĻ¨ āĻĒā§°ā§āĻā§āĻˇāĻžā§° āĻāĻŋāĻĒāĻ
- Definitions → 1–2 lines : āĻ¸āĻāĻā§āĻāĻž (Definitions) → ā§§–ā§¨ āĻāĻž āĻ¸ā§āĻĒāĻˇā§āĻ āĻŦāĻžāĻā§āĻ¯āĻ¤ āĻ˛āĻŋāĻāĻŋāĻŦāĻž
- Differences → 2 clear points : āĻĒāĻžā§°ā§āĻĨāĻā§āĻ¯ (Differences) → ā§¨ āĻāĻž āĻ¸ā§āĻĒāĻˇā§āĻ āĻŦāĻŋāĻ¨ā§āĻĻā§āĻ¤ āĻ˛āĻŋāĻāĻŋāĻŦāĻž