Diversity in Living Organisms (MCQs) - Biology - CBSE - Class 9

Diversity in Living Organisms (MCQs) - Biology - CBSE - Class 9

Diversity in Living Organisms 

(MCQs)

Q1(CBSE 2010): Chloroplast in Spirogyra is:

(a) spirally arranged and ribbon shaped with pyrenoids
(b) spirally arranged without pyrenoids
(c) circular
(d) cup-shaped

Q2(CBSE 2010): Needle shaped structure in Pinus plant is:

(a) leaf
(b) shoot
(c) stem
(d) reproductive part




Q3(NCERT): Which among the following produce seeds?
(a) Thallophyta
(b) Bryophyta
(c) Pteridophyta
(d) Gymnosperms


Q4: Which of the following are called "Amphibians of Plant Kingdom"?

(a) bryophytes
(b) algae
(c) pteridophytes
(d) gymnosperms


Q5: A plant has woody stem and its leaves show reticulate venation?

(a) gymnosperm
(b) monocot
(c) dicot
(d) pteridophyte


Q6(CBSE 2010): Some students want to prepare a temporary mount of Spirogyra. Where should they search for fresh specimen?

(a) In a pond and salty water
(b) In a stream of fresh water
(c) In a stream of salty water
(d) In a pond with stagnant water


Q7: Pneumatic bones is an important characteristic of:

(a) reptiles
(b) amphibians
(c) aves
(d) mammals


Q8(CBSE 2010): Earthworm is:

(a) bisexual with self fertilization
(b) bisexual with cross-fertilization
(c) unisexual with cross-fertilization
(d) none of these


Q9(NCERT): Which one is a true fish?
(a) Jellyfish
(b) Starfish
(c) Dogfish
(d) Silverfish


Q10(CBSE SQP): Which of the following is not an aerial adaptation of a bird?

(a) Presence of strong flight muscles
(b) Presence of vertebral columns
(c) Streamlined body
(d) Forelimbs modified into wings


Q11: Which of the following is a group of invertebrate animals?

(a) mammalia
(b) pisces
(c) reptilia
(d) arthopoda


Q12: Which of the following is a flightless bird?

(a) penguin
(b) ostrich
(c) kiwi
(d) all of these

Answers:
1: (a) spirally arranged and ribbon shaped with pyrenoids
2: (a) leaf
3: (d) Gymnosperms
4: (a) bryophytes
5: (c) dicot
6: (d) In a pond with stagnant water
7: (c) aves
8: (b) bisexual with cross-fertilization
9: (c) Dogfish (Note: silver fish is an insect, jelly fish is coelentrate and starfish is an echinoderm)
10: (b) Presence of vertebral columns
11: (d) arthopoda
12: (d) all of these