PRACTICE TEST
Test Instructions
180 Questions | 720 Marks | 3 Hours
Marking Scheme: +4 for correct, –1 for wrong.
Instructions: Each question carries 4 marks. One option is correct.
Use OMR carefully.
Q1. The cell organelle responsible for packaging of glycoproteins is:
(a)Mitochondria (b) Golgi apparatus (c) Endoplasmic reticulum (d)
Lysosome
Q2. The 80S ribosome of a eukaryotic cell consists of:
(a)50S + 30S (b) 40S + 60S (c) 30S + 70S (d) 20S + 60S
Q3. Which of the following structures is not double-membraned?
(a)Mitochondria (b) Chloroplast (c) Lysosome (d) Nucleus
Q4. Assertion (A): Mitochondria are called semi-autonomous organelles.
Reason ®: They possess their own DNA and ribosomes.
(a) Both A and R are true, R explains A
,(b) Both A and R are true, R does not explain A
© A true, R false
(d) A false, R true
Q5. The fluid mosaic model was proposed by:
(a)Singer and Nicolson (b) Robertson (c) De Duve (d) Watson and
Crick
Q6. The cell wall of plant cells is mainly composed of:
(a)Cellulose (b) Pectin (c) Lignin (d) Chitin
Q7. Which organelle contains hydrolytic enzymes?
(a)Golgi bodies (b) Peroxisome (c) Lysosome (d) Plastids
Q8. Nucleolus is the site of synthesis of:
(a)mRNA (b) rRNA (c) tRNA (d) hnRNA
Q9. In which phase of the cell cycle does DNA replication occur?
(a)G1 phase (b) S phase (c) G2 phase (d) M phase
Q10. Assertion (A): Rough ER appears rough due to presence of
ribosomes.
Reason (R) : Ribosomes help in synthesis of proteins.
,(a) Both A and R are true, R explains A
(b) Both A and R are true, R does not explain A
(c) A true, R false
(d) A false, R true
Q11. Centrioles are absent in:
(a)Animal cells (b) Higher plant cells (c) Fungi (d) Protists
Q12. The primary function of smooth endoplasmic reticulum is:
(a)Protein synthesis (b) Steroid synthesis (c) DNA replication (d) ATP
production
Q13. The basic unit of chromatin is:
(a)Nucleolus (b) Nucleosome (c) Histone (d) Centrosome
Q14. The ribosomal RNA is synthesized in:
(a)Cytoplasm (b) Nucleolus (c) Rough ER (d) Golgi apparatus
Q15. In eukaryotes, mitochondria divide by:
(a)Amitosis (b) Binary fission (c) Meiosis (d) Mitosis
Q16. The main site of lipid synthesis is:
, (a)Lysosome (b) Golgi bodies (c) Smooth ER (d) Nucleolus
Q17. Which of the following has 9 + 2 arrangement?
(a)Basal body (b) Cilia (c) Centriole (d) Centromere
Q18. Plastids containing starch are known as:
(a)Chromoplast (b) Amyloplast (c) Elaioplast (d) Aleuroplast
Q19. The concept of protoplasm was given by:
(a)Purkinje (b) Hooke (c) Schwann (d) Schleiden
Q20. Assertion (A): Peroxisomes are involved in photorespiration.
Reason ®: They contain enzymes that produce H₂O₂.
(a) Both A and R are true, R explains A
(b) Both A and R are true, R does not explain A
© A true, R false
(d) A false, R true
Q21. The polysome is formed by:
(a)rRNA molecules (b) mRNA with several ribosomes (c) tRNA
clusters (d) Histone proteins
Test Instructions
180 Questions | 720 Marks | 3 Hours
Marking Scheme: +4 for correct, –1 for wrong.
Instructions: Each question carries 4 marks. One option is correct.
Use OMR carefully.
Q1. The cell organelle responsible for packaging of glycoproteins is:
(a)Mitochondria (b) Golgi apparatus (c) Endoplasmic reticulum (d)
Lysosome
Q2. The 80S ribosome of a eukaryotic cell consists of:
(a)50S + 30S (b) 40S + 60S (c) 30S + 70S (d) 20S + 60S
Q3. Which of the following structures is not double-membraned?
(a)Mitochondria (b) Chloroplast (c) Lysosome (d) Nucleus
Q4. Assertion (A): Mitochondria are called semi-autonomous organelles.
Reason ®: They possess their own DNA and ribosomes.
(a) Both A and R are true, R explains A
,(b) Both A and R are true, R does not explain A
© A true, R false
(d) A false, R true
Q5. The fluid mosaic model was proposed by:
(a)Singer and Nicolson (b) Robertson (c) De Duve (d) Watson and
Crick
Q6. The cell wall of plant cells is mainly composed of:
(a)Cellulose (b) Pectin (c) Lignin (d) Chitin
Q7. Which organelle contains hydrolytic enzymes?
(a)Golgi bodies (b) Peroxisome (c) Lysosome (d) Plastids
Q8. Nucleolus is the site of synthesis of:
(a)mRNA (b) rRNA (c) tRNA (d) hnRNA
Q9. In which phase of the cell cycle does DNA replication occur?
(a)G1 phase (b) S phase (c) G2 phase (d) M phase
Q10. Assertion (A): Rough ER appears rough due to presence of
ribosomes.
Reason (R) : Ribosomes help in synthesis of proteins.
,(a) Both A and R are true, R explains A
(b) Both A and R are true, R does not explain A
(c) A true, R false
(d) A false, R true
Q11. Centrioles are absent in:
(a)Animal cells (b) Higher plant cells (c) Fungi (d) Protists
Q12. The primary function of smooth endoplasmic reticulum is:
(a)Protein synthesis (b) Steroid synthesis (c) DNA replication (d) ATP
production
Q13. The basic unit of chromatin is:
(a)Nucleolus (b) Nucleosome (c) Histone (d) Centrosome
Q14. The ribosomal RNA is synthesized in:
(a)Cytoplasm (b) Nucleolus (c) Rough ER (d) Golgi apparatus
Q15. In eukaryotes, mitochondria divide by:
(a)Amitosis (b) Binary fission (c) Meiosis (d) Mitosis
Q16. The main site of lipid synthesis is:
, (a)Lysosome (b) Golgi bodies (c) Smooth ER (d) Nucleolus
Q17. Which of the following has 9 + 2 arrangement?
(a)Basal body (b) Cilia (c) Centriole (d) Centromere
Q18. Plastids containing starch are known as:
(a)Chromoplast (b) Amyloplast (c) Elaioplast (d) Aleuroplast
Q19. The concept of protoplasm was given by:
(a)Purkinje (b) Hooke (c) Schwann (d) Schleiden
Q20. Assertion (A): Peroxisomes are involved in photorespiration.
Reason ®: They contain enzymes that produce H₂O₂.
(a) Both A and R are true, R explains A
(b) Both A and R are true, R does not explain A
© A true, R false
(d) A false, R true
Q21. The polysome is formed by:
(a)rRNA molecules (b) mRNA with several ribosomes (c) tRNA
clusters (d) Histone proteins
