1
15 Marksmedium
How does the structure of antibody give its specificity of functions? Add a note on the causes of allergic reaction.
BiologyImmunology
2
15 Markseasy
On your answer-book, write down the name of each of the ganglia marked (i) to (vii) in the diagram below on the parasympathetic and sympathetic divisions of autonomic nervous system :
BiologyNeuroscience
3
15 Marksmedium
How do they regulate the visceral and reflex functions of the body?
BiologyPhysiology
4
15 Marksmedium
Compare the role of pancreatic and intestinal glandular secretions in the digestion of food.
BiologyPhysiology
5
15 Markshard
Differentiate between the mechanism of capacitational changes in the mammalian sperm under in vitro and in vivo conditions. How are these sperms stored and used in artificial insemination and in vitro fertilization?
BiologyReproduction
6
20 Marksmedium
Differentiate between polytene and lampbrush chromosomes on the basis of their structure and functions.
BiologyGenetics
7
20 Marksmedium
Using suitable examples of natural and induced mutations, discuss their role in the evolution of species.
BiologyGeneticsEvolution
8
20 Marksmedium
Compare the action of steroidal and peptide hormones at organismal and cellular levels.
BiologyPhysiology
9
20 Marksmedium
Define the types of cell receptors and enumerate their role in signal transduction/cell-cell interaction.
BiologyCell Biology
10
20 Marksmedium
Discuss the trends in primate evolution that began as an adaptation for arboreal life.
BiologyEvolution
11
20 Marksmedium
What controls heartbeat, and the rate at which blood flows through the circulatory system?
BiologyPhysiology
12
20 Marksmedium
Differentiate between principles and methods of DNA cloning and whole animal cloning.
BiologyBiotechnology
13
20 Markshard
What are morphogens? How do they function during various stages of morphogenesis (use frog/chick as an example)?
BiologyDevelopmental Biology
14
20 Marksmedium
Draw a diagram to show the arrangements of various types of contractile proteins in skeletal muscles, and explain the bioenergetics of contraction.
BiologyPhysiology
15
15 Marksmedium
Give the chemical composition of mammalian semen (use humans as example). How does seminal fluid contribute to sperm survival, capacitation and acquisition of fertilizing ability?
BiologyReproduction
16
15 Marksmedium
Compare the structure and function of 30s and 70s ribosomes.
BiologyMolecular Biology
17
15 Marksmedium
What is DNA motif? How does it facilitate DNA replication and transcription?
BiologyGenetics
18
15 Marksmedium
Through a chequerboard, display the various types of genetic code (43). Identify the initiation, termination and nonsense codon, and explain their functions.
BiologyGenetics