1. In plants, phloem is responsible for the transportation of?
2. Which of the following is found only in plant cells?
3. Skin is which of the following types of membrane?
4. Which of the following is a characteristic of permanent tissue?
5. The nucleus of a cell is surrounded by a jelly-like substance called:
6. Which of the following is the middle layer in the root apical meristem that gives rise to the cortex?
7. Name the tissue that transports food to various parts of a plant.
8. Which of the following is a type of Connective tissue?
I. Blood
II. Bone
III. Ligament
9. ______ is the water transporting tissue in plants.
10. Which of the following leucoplasts stores oils and fats?
11. On the basis of structural modification of the cells, simple epithelium is divided into all of the following types, except ____.
12. Plant cell wall is made up of
13. Which tissue has heavily thickened lignified walls?
14. Which of the following amino acids cannot be synthesised in the human body?
15. What is the outermost covering of plant cells called?
17. Match the columns Correctly:
| Column-A (Enzyme/Protein) | Column-B (Role in DNA Replication) |
|---|
| i. Helicase | a. Joins the 3' end of the new DNA segment to the 5' end of the previous one |
| ii. RNA Primase | b. Nucleotide polymerization |
| iii. DNA Polymerase | c. RNA Primer Synthesis |
| iv. DNA Ligase | d. Unwinds the DNA double helix |
18. In plants, _____ is present in middle lamella, primary cell and secondary walls and accumulates during the initial stages of growth during cell expansion.
19. Which of the following statements about phloem transport is correct?
20. Which of the following determines whether a group of organisms that is from the same genus and species arise from a common source or from different sources?
21. The structure of the cells vary according to their function. Therefore, the tissues are different and are broadly classified into all of the following types, except ______.
22. RNA is a polymeric molecule. What does RNA stand for?
23. Which cells give rise to various organs of the plant and keep the plant growing?
24. Which of the following is a complex substance that provides structural strength to plants?
25. Which part of a plant cell traps sunlight to make sugar ?
26. What is contained in Chlorophyll?
27. Which type of epithelium is made of a single thin layer of flattened cells with irregular boundaries?
28. Skeletal muscles are attached to the skeleton by tough connective tissues called ................ .
29. Which cell organelle has its own DNA and ribosome?
30. The chemical component that is invariably found in all viruses is:
31. Endoplasmic ______ (ER) is a large network of membrane-bound tubes and sheets:
32. Colour of the plants is green due to the presence of:
33. In a plant cell, ribosome is the site of :
34. _____ are composed of long, fibrous proteins as filaments that slide past each other when a muscle contracts or relaxes.
35. Carotene in fruits and vegetables gives it which colour?
36. The orange colour of carrot is because of
37. Which of the following is NOT present in chlorophyll?
38. Magnesium is a constituent metal of____
39. The xylem in plants are responsible for :
40. Non-green plants lack which of the following?
41. In plants, water is transported through which of the following medium?
42. Exchange of gases occurs through which part of the plant tissue?
43. The cell wall of a plant is composed of:
44. A ............. is the tissue in most plants containing undifferentiated cells found in zones of the plant where growth can take place.
45. Which of the following is not connective tissue?
46. What is the basic unit of heredity?
47. A group of genes whose activity is coordinated by a DNA site is called:
48. Which of the following is a natural flame retardant?
49. Bones have a hard non–pliable ground substance rich in calcium salts and .......... fibres which give bone its strength.
50. Which of the following constitute to form a gene?
