Past Papers Cell Biology, Genetics and Evolution


Subject: Botany-III (Cell Biology, Genetics and Evolution)

Time Allowed: 10 Minutes

Maximum Marks: 10

NOTE: Attempt this Paper on this Question Sheet only. Please encircle the correct option. Division of marks is given in front of each question. This Paper will be collected back after expiry of time limit mentioned above.


Part-I Encircle the right answer, cutting and overwriting is not allowed. (1×10=10)

Carbohydrates are present in plasma membrane in the form of

a) Starch b) Cellulose

c) Hemicellulose d) Glycolipids

The main function of Golgi complex is

a) Translocation b) Fermentation

c) Glycosylation d) Phosphorylation

Protein essential for chromatin formation is:

a) Actin b) Tubulin

c) Histone d) Myosin

The functions of peroxisomes are:

a) Synthesis of glycine b) Synthesis of serine

c) Protection from toxic effects of hydrogen peroxide

d) All of the these

The two organelle responsible for cytoplasmic inheritance among eukaryotes are: .

a) Lysosomes and Mitochondria b) Mitochondria and Golgi complex

c) Chloroplast and Mitochondria d) Chloroplast and Lysosomes

Light reactions take place in:

a) Grana b) Stroma

c) Thylakoids d) Quantasomes

Nucleolus helps in the formation of:

a) rRNA b) mRNA

c) tRNA d) Golgi body

The monomeric units of DNA are:

a) Proteins b) Nucleosides

c) Nucleotides d) Purines and Pyrimidine

The term heterosis represents:

a) Hybrid incompatibility b) Hybrid vigor

c) Hybrid sterility d) Structural hybridity

10. Introduction of foreign genes for improving genotype is called:

a) Vernalization b) Tissue culture

c) Biotechnology d) Genetic Engineering



Subject: Botany-III (Cell Biology, Genetics and Evolution)

Time Allowed: 2 Hours 45 Minutes

Maximum Marks: 50


Part-II Give short answers of the following. (2×10=20)

Q#1: Define Cell theory.

Q#2: What is the difference between Simple and Facilitated diffusion?

Q#3: What are Leucoplasts? Mention their functions.

Q#4: Differentiate between Prokaryotic and Eukaryotic ribosomes.

Q#5: What are Peroxisomes? What is their function?

Q#6: What are the different types of RNA and their functions?

Q#7: What is Transduction?

Q#8: What are Cytoplasmic inclusions?

Q#9: Differentiate between Population and Community.

Q#10: What is Synapsis?




Part-III Give brief answers of the following. (3×10=30)

Q#1: a) What is the chemical composition of Cell membrane? :

  1. b) Describe the ultrastructure and function of Chloroplast.

Q#2. a) Write a short note on Lac operon.

  1. b) Explain the Transduction in bacteria in detail.

Q#3. a) Differentiate between Test cross and Back Cross and their importance.

  1. b) Explain with examples Duplication and Deletion.



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