- Which of the following is not a type of antigen presenting
cell?
(a) Dendritic cell (b) B cell
(c) Macrophage (d) T cell - Devonian period of Palaezoic era is characterised by
(a) origin of reptiles and abundance of conifers
(b) extinction of dinosaurs and dominance of
gymnosperms
(c) origin of amphibians and appearance of first seed
plants
(d) origin of coral reef and rise of spore-bearing plants. - Read the following statements.
I. Acquired immunity is inherited by the organism from
the parents.
II. Innate immunity has two components : humoral and
cellular.
III. Acquired immunity consist of B and T lymphocytes.
IV. Innate immunity is also known as non-specific immunity.
Of the above statements
(a) I and II are correct
(b) III and IV are correct
(c) I, II and III are correct
(d) III and IV are incorrect. - Which of the given statements are correct?
(i) Microspheres could undergo fission and budding.
(ii) Hugo de Vries stated that mutation does not play any
role in evolution.
(iii) Oparin-Haldane theory states that life originated
spontaneously on earth from non-living matter.
(iv) Primitive atmosphere was very cold.
(a) (i), (ii) and (iii) (b) (i) only
(c) (iii) and (iv) only (d) (i) and (iii) only
5. Match column I with column II and select the correct option
given below.
Column I Column II
(i) Tyrannosaurus p. Stebbins
(ii) Coprolites q. Intraspecific struggle
(iii) Bottleneck effect r. Malthus
(iv) Cannibalism s. Phosphotic in composition
(v) Theory of human t. Flesh-eating dinosaurs
population growth u. Plant-eating dinosaurs
(a) (i)-u, (ii)-p, (iii)-q, (iv)-r, (v)-s
(b) (i)-t, (ii)-s, (iii)-p, (iv)-q, (v)-r
(c) (i)-p, (ii)-r, (iii)-q, (iv)-u, (v)-s
(d) (i)-u, (ii)-q, (iii)-r, (iv)-t, (v)-p
6. Who discovered the fossil of Ramapithecus?
(a) Edward Lewis and L.S.B. Leakey
(b) Edward Lewis
(c) Raymond Dart and L.S.B. Leakey
(d) Mayer
7. Select the correct chronological order of the evolution of
man.
(a) Ramapithecus → Dryopithecus → Australopithecus
→ Homo erectus → Homo habilis
(b) Australopithecus → Ramapithecus → Dryopithecus
→ Homo erectus → Homo habilis
(c) Dryopithecus → Australopithecus → Ramapithecus
→ Homo erectus → Homo habilis
(d) Dryopithecus → Ramapithecus → Australopithecus
→ Homo habilis → Homo erectus
8. Who among the following is known as ‘Handy man’?
(a) Australopithecus (b) Homo erectus
(c) Homo habilis (d) Ramapithecus
Total Marks : 160 Time Taken : 40 Min.T
his specially designed column enables students to self analyse their
extent of understanding of specified chapters. Give yourself four
marks for correct answer and deduct one mark for wrong answer.
Self check table given at the end will help you to check your
readiness.Class XII
s Evolution
s Human Health and Diseases