Which of the following statements is incorrect about sclereids (stone cells)
Variously shaped
Highly thickened + lignified cell wall and lumen is narrow
Commonly found in the pulp of fruits, wall of nuts, seed coats of legumes and leaves
They are types of parenchyma

Which of the following statements about cell wall is correct?

Tissue cells commonly found in fruit walls of nuts and pulp of some fruits like guava are called

Which type of sclerenchyma cells are found in the fruit wall of nuts, pulp of fruits like guaava, pear and sapota, seed coats of legumes sand leaves of tea.

Sclereids are found in A. Fruit wall of nuts B. Pulp of fruits like guave C. Leaves of tea D. Seed coat of legumes

Which of the following statements are incorrect about chylomicrons? (i) Chylomicrosn are produced in the epthelial cells of small intestine. (ii) It contains trigycerides, chloesterol and phospholipids. (iii) They are protein coated small vesicles. (iv) Chylomicrons are released from the epithelial cell into lacteals/

Rod shaped elongated thick walled lignified dead cells found in seed coat of pulse legumes are

Which of the following statements is correct ? (A) Mycoplasma has no cell wall (B) Viruses can multiply only when they are present inside the living cell. (C) True sexuality s not found in bacteria (D) Mycoplasma can not survive without O_(2)

Which of the following statement are incorrect about receptor proteins? I.Majority of receptor proteins are embedded in the cell membranes II.The active site of receptor proteins opens on the inside region of the cell III.Chemical messengers are received at the binding sites of receptor proteins IV.Shape of receptor does not change during attachment of messenger choose the option with all incorrect statements

Which of the following statements is/are incorrect about columnar epithelium? (i) It is made of tall and slender cells. (ii) Free surface may have microvilli. (iii) They are found in stomach and intestine and help in secretion and absorption. (iv) Ciliated epithelium is mainly present in hollow structures like bronchioles and Fallopian tubes. (v) They have apical nuclei.