Ques 1.

Stroke volume

Ques 2.

Action Potential

Ques 3.

Cardiac output

Ques 4.

Pulse rate

Ques 5.

Glial Cells

Ques 6.

What is the sliding filament model of movement of muscles? How does the sliding movement occur at molecular level?

Ques 7.

Compare the types of nitrogenous wastes observed in animals. Identify which compounds can be excreted with a minimum of water, which is most toxic and which waste product is found in fish, insects and mammals. Data regarding velocity of conduction and diameter of nerve fibre of two species A and B is given below. Which species is an invertebrate?

Ques 8.

Explain why the velocity of nerve impulse conduction in species B is more than species A?

Ques 9.

Anatomical dead space

Ques 10.

Cardiac output

Ques 11.

Resting potential in a nerve cell

Ques 12.

Parthenogenesis

Ques 13.

Pheromones

Ques 14.

What do you understand by blood pressure? Explain the process of fluid transfer between the capillaries and tissue.

Ques 15.

What does an oxygen dissociation curve show? Draw and compare the oxygen dissociation curves of haemoglobin and myoglobin

Ques 16.

Why do animals exhibit differences between their essential food requirements? Where does the absorption of carbohydrates, lipids and amino acids take place in the vertebrate body? Describe the method of glucose absorption

Ques 17.

Discuss the nature and functions of estrogen in mammals.

Ques 18.

With the help of a diagram, discuss the formation and secretion of amino acid based hormones.

Ques 19.

List the function of essential elements and describe any one of them

Ques 20.

Differentiate between macro nutrient and micro nutrient. Describe the role of any two micronutrients in plant metabolism.

Ques 21.

Biological clocks

Ques 22.

C₄ plants

Ques 23.

Vernalization

Ques 24.

Senescence

Ques 25.

Discuss Red Drop and Emerson Enhancement effect

Ques 26.

Draw and describe Z scheme to illustrate the movement of electron in PS I (Photosystem I) & PS II (Photosystem II).

Ques 27.

Describe loading and unloading in sieve tubes

Ques 28.

What is the role of plant hormones in development and growth? Describe the effect of auxins and cytokinins plant parts.

Ques 29.

Describe the ways how plant adapts to biological stresses.

Ques 30.

List the main function of stomata. Describe the mechanism of stomatal opening with labeled diagram

Ques 31.

Describe the role of proton pump in active transport of protons across plasma-membrane