Q1. Match the cellular organelles in Column I with their actions in Column II.
Column I Column II
A. Lysosomes 1. Food factory
B. Plastids 2. Carrier of hereditary material
C. Nucleus 3. Hydrolytic action
D. Mitochondria 4. Photosynthesis
A B C D
(a) 1 2 3 4
(b) 4 3 2 1
(c) 3 4 1 2
(d) 3 4 2 1
Q2. A comparison has been carried out between plant and animal cells about the cellular organelles. Choose the option, which correctly indicates the presence or absence of an organelle in these cells.
Organelle Plant Cell Animal Cell
(a) Cell membrane Absent Present
(b) Centrioles Absent Present
(c) Cell wall Absent Present
(d) Vacuoles Absent Present
Q3. The name of scientists and their discoveries (of cellular components) are given below. Identify the correctly matched option.
(a) de Duve — Golgi complex
(b) Altman — Endoplasmic reticulum
(c) Robert Brown — Nucleus
(d) Camillo Golgi — Ribosomes
Q4. Among all the cellular organelles present in the cell, the smallest one is
Q5. Arrange the following in the order of their evolution.
(a) A, B, D, C
(b) B, A, D, C
(c) B, A, C, D
(d) D, A, C, B
Q6. Which of the following is the correct sequence in which the given animal groups appeared on the earth during the course of evolution?
(a) Porifera → Annelida → Coelenterata → Protozoa
(b) Protozoa → Coelenterata → Porifera → Annelida
(c) Annelida → Porifera → Protozoa → Coelenterate
(d) Protozoa → Porifera → Coelenterata → Annelida
Q7. Which one of the following is the group with closely related animal types?
(a) Sea-star, sea-lily, sea-here
(b) Dogfish, silverfish, cryfish
(c) Leech, louse, snail
(d) Jellyfish, sea-fan, sea-anemone
Q8. An organism has been identified with following characteristics.
In which kingdom will you place this organism based on above features?
Q9. Study the characteristic features given below.
(A) Lack a well-defined nucleus and cellular organelles.
(B) Mode of nutrition of organisms can be autotrophic or heterotrophic.
(C) Organisms are prokaryotic, some of them have nitrogen fixing abilities
(D) Includes bacteria, blue-green algae and mycoplasma etc.
Given characteristics identified with which kingdom from those given.
Q10. Identify the features, which correctly suggests that the plant is a bryophyte.
A. Alternation of generation, sporophyte is dominant.
B. No vascular tissues present
C. Body is differentiated into simple leaves and stems
D. Amphibians of plant kingdom, found in damp, shady places.
E. Dryopteris, Pteridium are some examples.
Correct option is
(a) A, B, C and E
(b) A, B, D and C
(c) B, C, D and C
(d) B, C and D