Grade 9 Biology Weekly Test of CHACE Hybrid Academy, Lahore
Multiple Choice Questions (MCQs)
1. What is the primary function of the cuticle in a leaf?
a) Photosynthesis
b) Prevent water loss
c) Gaseous exchange
d) Absorb sunlight
Answer: b) Prevent water loss
2. Which tissue in the leaf contains tightly packed cells rich in chloroplasts?
a) Spongy mesophyll
b) Epidermis
c) Palisade mesophyll
d) Vascular tissue
Answer: c) Palisade mesophyll
3. What is the function of stomata in the leaf?
a) Absorb water
b) Transport glucose
c) Gaseous exchange and transpiration
d) Support leaf structure
Answer: c) Gaseous exchange and transpiration
4. Which part of the vascular tissue transports water in a leaf?
a) Phloem
b) Palisade mesophyll
c) Xylem
d) Spongy mesophyll
Answer: c) Xylem
5. What substance is secreted by epithelial cells in the stomach?
a) Glucose
b) Gastric juice
c) Bile
d) Amylase
Answer: b) Gastric juice
6. Which layer of the stomach wall is responsible for its movement?
a) Submucosa
b) Muscular layer
c) Mucosa
, d) Epithelial layer
Answer: b) Muscular layer
7. What does pepsin break down?
a) Fats
b) Carbohydrates
c) Proteins
d) Nucleic acids
Answer: c) Proteins
8. What provides structural support to the stomach?
a) Nervous tissue
b) Connective tissue
c) Muscular tissue
d) Epithelial tissue
Answer: b) Connective tissue
9. Which cells in the leaf control the opening and closing of stomata?
a) Guard cells
b) Spongy mesophyll cells
c) Palisade cells
d) Xylem cells
Answer: a) Guard cells
10. Which tissue in the stomach regulates digestion and gastric juice secretion?
a) Epithelial tissue
b) Nervous tissue
c) Connective tissue
d) Muscular tissue
Answer: b) Nervous tissue
11. What is the main function of chloroplasts in palisade mesophyll?
a) Water transport
b) Chemical digestion
c) Photosynthesis
d) Gaseous exchange
Answer: c) Photosynthesis
12. Which part of a cell packages proteins and fats for transport?
a) Lysosomes
b) Golgi apparatus
c) Ribosomes
d) Mitochondria
Answer: b) Golgi apparatus
Multiple Choice Questions (MCQs)
1. What is the primary function of the cuticle in a leaf?
a) Photosynthesis
b) Prevent water loss
c) Gaseous exchange
d) Absorb sunlight
Answer: b) Prevent water loss
2. Which tissue in the leaf contains tightly packed cells rich in chloroplasts?
a) Spongy mesophyll
b) Epidermis
c) Palisade mesophyll
d) Vascular tissue
Answer: c) Palisade mesophyll
3. What is the function of stomata in the leaf?
a) Absorb water
b) Transport glucose
c) Gaseous exchange and transpiration
d) Support leaf structure
Answer: c) Gaseous exchange and transpiration
4. Which part of the vascular tissue transports water in a leaf?
a) Phloem
b) Palisade mesophyll
c) Xylem
d) Spongy mesophyll
Answer: c) Xylem
5. What substance is secreted by epithelial cells in the stomach?
a) Glucose
b) Gastric juice
c) Bile
d) Amylase
Answer: b) Gastric juice
6. Which layer of the stomach wall is responsible for its movement?
a) Submucosa
b) Muscular layer
c) Mucosa
, d) Epithelial layer
Answer: b) Muscular layer
7. What does pepsin break down?
a) Fats
b) Carbohydrates
c) Proteins
d) Nucleic acids
Answer: c) Proteins
8. What provides structural support to the stomach?
a) Nervous tissue
b) Connective tissue
c) Muscular tissue
d) Epithelial tissue
Answer: b) Connective tissue
9. Which cells in the leaf control the opening and closing of stomata?
a) Guard cells
b) Spongy mesophyll cells
c) Palisade cells
d) Xylem cells
Answer: a) Guard cells
10. Which tissue in the stomach regulates digestion and gastric juice secretion?
a) Epithelial tissue
b) Nervous tissue
c) Connective tissue
d) Muscular tissue
Answer: b) Nervous tissue
11. What is the main function of chloroplasts in palisade mesophyll?
a) Water transport
b) Chemical digestion
c) Photosynthesis
d) Gaseous exchange
Answer: c) Photosynthesis
12. Which part of a cell packages proteins and fats for transport?
a) Lysosomes
b) Golgi apparatus
c) Ribosomes
d) Mitochondria
Answer: b) Golgi apparatus
