Q.1. The cell organelle involved in glycosylation of protein is(a) ribosome(b) peroxisome(c) endoplasmic reticulum(d) mitochondria Answer Answer: (c) Glycosylation is the process or result of addition of saccharides to proteins and lipids. The process is one of the four principal co-translational and post-translational modification steps in the synthesis of membrane and secreted proteins and the … Read more
Q.1. The kind of epithelium which forms the inner walls of blood vessels is(a) cuboidal epithelium(b) columnar epithelium(c) ciliated columnar epithelium(d) squamous epithelium Q.2. The cell junctions called tight, adhering and gap junctions are found in(a) connective tissue (b) epithelial tissue(c) neural tissue (d) muscular tissue Q.3. Housefly possesses(a) two pairs of wings (b) one … Read more
Q.1. During formation of leaves and elongation of stem, some cells ‘ left behind’ from the shoot apical meristem, constitute __(a) Lateral meristem (b) Axillary bud(c) Cork cambium (d) Fascicular cambium Q.2. Function of companion cells is(a) providing energy to sieve elements for active transport.(b) providing water to phloem.(c) loading of sucrose into sieve elements … Read more
Q.1. Which one of the following is a true fruit?(a) Apple (b) Pear(c) Cashew nut (d) Coconut Answer (d) The fruit is a mature or ripened ovary. When a fruit develops exclusively from the ovary, it is said to be true fruit. When in addition to the ovary, some other floral part also participates in … Read more
Q.1. Classification of Porifera is based on(a) branching (b) spicules(c) reproduction (d) symmetry Answer (b) The terms Porifera was given by Grant, the phylum includes animals with pores in their body. Its classification based on skeleton or spicules. Q.2. A chordate character is(a) gills (b) spiracles(c) postanal tail (d) chitinous exoskeleton Answer (c) Chordates are … Read more
