1. R.Q. is ratio of

2. Statement I: Bryophytes are amphibians of plant kingdom.

Statement II: They live in soil but depend on water for sexual reproduction.

3. The process involving the transfer of electrons in the light reactions of photosynthesis in plants is:

4.Assertion (A):  Two kingdom classification was insufficient.

Reason (R): Majority of organisms did not fall into  either of categories in two kingdom  classification

5. The microtubules of the mitotic spindle attach to a specializes structure in the centromere region of each chromosome called the

6. Match column-I containing types of aestivation with their examples given in column-II and choose the correct option.

Column-I                                         Column-II

(Type of aestivation)                     (Examples)

1. Valvate                                     I. Cotton
2. Twisted                                    II. Calotropis
3. Imbricate                                III. Bean
4. Vexillary                                  IV. Gulmohar

7. What is another name of family compositae?

8. Consider the following statements regarding starch and  sucrose synthesis during daytime and select the correct ones.                                                                                                                                                                        (i) Triose phosphate is confined to chloroplast and is utilised for the synthesis of starch only.                          (ii) Triose phosphate is translocated to cytosol rom chloroplast.(iii) Triose phosphate is utilised for the synthesis of both starch

   and sucrose.

   (iv) Triose phosphate is translocated from cytosol to chloroplast.

9. Match the description given in column-I with their steps given in column-II and identify the correct answer.

Column-I                                               Column-II

1. Initiation of the                           I. Anaphase assembly of mitotic spindle
2. Proteins are                                 II. Prophase synthesized in preparation for mitosis                                                                                                           while cell growth continues.
3. Spindle fibres attach                 III. Interphase to kinetochores of chromosomes.
4. Movement of                              IV. Metaphase chromatids towards opposite poles

The correct match is

10. Assertion (A): Lipids present in the outer and inner side of the bilayer membrane are commonly different. Reason (R): Peripheral proteins are attached to external surface as well as inner surface of a biomembrane.

11. Which of the following pairs come under the group chrysophytes?

12. Hormone responsible for bolting is:

13. Which of the following statements is incorrect?

14. Where do the casparian strips occur?

15. During complete metabolism of glucose, the number of ATP formed is

16. The term 'glycocalyx' is used for

17. Which of the following is not an influence of auxins ?

18.Okra is a member of family

19. Which of the following is not a function of cytokinin ?

20. Assertion (A): C₄ pathway of CO₂ fixation is found in some tropical plants.

Reason (R): In this pathway, CO₂ is fixed by 3C compound

21.Match column-I with column-II and select the option.

Column-I                                Column-II

(Fungi)                                 (Common name)

1. Phycomycetes                        I. Sac fungi
2. Ascomycetes                          II. Algal fungi
3. Basidiomycetes                     III. Fungi imperfecti
4. Deuteromycetes                    IV. Bracket fungi

22. At which stage, the homologous chromosomes separate due to repulsion, but are yet held by chiasmata ?

23. What is the function of molecular oxygen in cellular respiration?

24. In meiosis, division is

25.The practical purpose of classification of living organisms is to:

26. Match column I (category) with column II (secondary metabolites) and choose the correct option.

Column-I                                         Column-II

(Category)                                       (Secondary metabolites)

1. Pigments                                          I. Concanavalin A
2. Terpenoides                                    II. Monoterpenes, Diterpenes
3. Alkaloids                                         III. Morphine, Codeine
4. Lectins                                             IV. Carotenoids, Anthocyanin

27. The squamous epithelium is found in

28. A cup shaped cavity for articulation of femur head is

29. Volume of urine is regulated by

30. Assertion (A): Mammals are found in polar ice caps, deserts, mountains, forests, grasslands and dark caves. Reason (R): The most unique mammalian characteristic is the presence of milk producing glands

31. The ascending loop of Henle is permeable or

32. The total lung capacity is represented by

33. Identify the main functions of the cerebrum of human brain from the given statement                                     (i) Control the contraction of voluntary muscles through the frontal lobe.                                                               (ii) Control the sensitivity, movement, memory, vocabulary etc. through the frontal lobe.(iii) Control the temperature, taste, touch, pain etc. through the parietal lobe.

    (iv) Control the hearing and sense of smell through the occipital and frontal lobes.

34 . Statement I: Carbonic anhydrase is present in the erythrocytes.

Statement II: In erythrocytes the carbon dioxide combine with water and is transported.

35. In which of the phylum, excretory organ like proboscis gland is present?

36. Select the correct statement regarding Periplaneta americana

37. Which of the following is correctly stated as it happens in the common cockroach?

38. Statement I: In frogs vasa efferentia enter the kidneys and open into Bidder's canal.                                   Statement II: Fertilisation of frog is external and takes place in water.

39. Which of the following properties of cardiac muscles are correct?

(i) These are the muscles of the heart.

(ii) These are non-striated.

(iii) These are involuntary in their functions.

(iv) These are controlled by nervous system directly.

(v) Cardiac muscles not straited.

Select the correct option.

40. CO₂ combines with Hb to form :

41. Receptors for protein hormones are found

42.Which of the following statements does not hold true for the hormones?

43. Which of the following statements are correct?

(i) Xylem transports water and minerals.

(ii) Gymnosperms lack sieve tubes and companion cells in phloem.

(iii) The first formed primary xylem is called metaxylem.

(iv) Phloem fibres (bast fibres) are made up of collenchymatous cells.

(v) Root hairs help absorb water and glucose.

44. Match the items given in column-I with their examples given in column-II and choose the correct option given below.

Column-I                                Column-II

(Items)                                 (Examples)

1. Ovary                                      I. Fruit
2. Ovule                                      II. Guava, orange, mango
3. Wall of ovary                        III. Pericarp
4. Fleshy fruits                          IV. Seed

45. Plastids storing fat are called