The major factor which affects binding related to the partial pressure of carbon dioxide is _____.
- A$pO _2$
- B$CO _2$
- C$pCO _2$
- D$O _2$
Question types
MODEL PAPER 4 question types
38 questions across 6 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.
38
Questions
6
Question groups
5
Question types
01
M.C.Q (1 Marks)
12 Q→022 Marks Questions
6 Q→033 Marks Question
8 Q→04Case study (4 Marks)
2 Q→055 Marks Questions
6 Q→06Assertion & Reason
4 Q→Sample Questions
MODEL PAPER 4 questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
What is the main role of skin in human?
- AAttack
- BExcretion
- CThermoregulation
- DProtection
Thallus of Riccia is ________ .
- ATriploid
- BDiploid
- CTetraploid
- DHaploid
If GA3 is applied to the rice seedlings, the plant will show:
- AEarly flowering
- BExtra elongation
- CDelayed ripening
- DDwarfing
Whales can live in cold water as they have thick coat of _________.
- AKeratinized skin
- BStriated skin
- CBlubber
- DProactive skin
Differentiate between stroma and grana of chloroplasts.
What is the significance of splitting of water, during photosynthesis?
Why is death considered as a regulatory process on the earth?
Write short note on the function of Thymosins
Where is the Bidder's canal located and how is it useful in frog?
Give a description of the structure of neuron.
Differentiate between
i. Myogenic heart and neurogenic heart.
ii. Lymphatic capillaries and blood capillaries.
i. Myogenic heart and neurogenic heart.
ii. Lymphatic capillaries and blood capillaries.
In the diagrammatic presentation of heart given below, mark and label, SAN, AVN, AV bundles, bundle of His and Purkinje fibres.
Describe the structure of the rib cage of the human.
A rubber band stretches and reverts back to its original position. Bubble gum stretches, but it would not return to its original position.
Is there any difference between the two processes? Discuss it with respect to plant growth (Hint: Elasticity (reversible) Plasticity (irreversible))
Is there any difference between the two processes? Discuss it with respect to plant growth (Hint: Elasticity (reversible) Plasticity (irreversible))
Give the factors that govern the size of the cell.
Describe the structure of the following with the help of labelled diagrams.
i. Nucleus
ii. Centrosome
i. Nucleus
ii. Centrosome
Explain various steps involved in cellular respiration.
Give an account of Glycolysis. Where does it occur? What is the end product? Trace the fate of these products in both aerobic and anaerobic respiration.
Distinguish anaphase of mitosis from anaphase I of meiosis.
Assertion (A): Acervulus is a structure which bears conidiophores.
Reason (R): Conidiophores consists of setae.
Reason (R): Conidiophores consists of setae.
- ABoth A and R are true and R is the correct explanation of A.
- BBoth A and R are true but R is not the correct explanation of A.
- CA is true but R is false
- DA is false but R is true.
Assertion (A): Pneumotaxic centre present in the pons region of the brain.
Reason (R): Neural signal from this centre can reduce the duration of inspiration and thereby alter the respiratory rate.
Reason (R): Neural signal from this centre can reduce the duration of inspiration and thereby alter the respiratory rate.
- ABoth A and R are true and R is the correct explanation of A
- BBoth A and R are true but R is not the correct explanation of A.
- CA is true but R is false.
- DA is false but R is true.
Assertion (A): In condensation, a molecule of water is eliminated.
Reason (R): Condensation is an energy-releasing process.
Reason (R): Condensation is an energy-releasing process.
- ABoth A and R are true and R is the correct explanation of A.
- BBoth A and R are true but R is not the correct explanation of A.
- CA is true but R is false
- DA is false but R is true.
Assertion (A): Inspiration can occur if the pressure within the lungs (intrapulmonary pressure) is less than the atmospheric pressure.
Reason (R): Expiration takes place when the intrapulmonary pressure is higher than the atmospheric pressure
Reason (R): Expiration takes place when the intrapulmonary pressure is higher than the atmospheric pressure
- ABoth A and R are true and R is the correct explanation of A.
- BBoth A and R are true but R is not the correct explanation of A
- CA is true but R is false.
- DA is false but R is true.
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