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Class 9 Practice Level 2 - Diversity In Living Organisms - Set 1
Total questions: 25
1.
Which of the following groups of plants do not produce seeds?
Bryophytes
Gymnosperms
Angiosperms
Spermatophyta
None
2.
Which of the following structures is common to both gymnosperms and angiosperms?
Flowers
Cones
Seeds
Spores
None
3.
What is the main function of the root hairs in plants?
Photosynthesis
Absorption of water and minerals
Reproduction
Support
None
4.
Which class of vertebrates has a three-chambered heart?
Fish
Amphibians
Reptiles
Birds
None
5.
Which of the following is a characteristic of all arthropods?
Segmented bodies
Soft bodies
Radial symmetry
Tentacles
None
6.
Which of the following is an example of a cartilaginous fish?
Goldfish
Salmon
Shark
Catfish
None
7.
What is the primary role of xylem in vascular plants?
Transporting food
Transporting water and minerals
Photosynthesis
Reproduction
None
8.
Which type of symmetry is exhibited by starfish?
Bilateral symmetry
Radial symmetry
Asymmetry
Quadrilateral symmetry
None
9.
Which of the following is a characteristic of monocotyledonous plants?
Two cotyledons
Networked leaf venation
Floral parts in multiples of three
Tap root system
None
10.
Which of the following phyla includes animals with a water vascular system?
Arthropoda
Mollusca
Echinodermata
Annelida
None
11.
What is the function of phloem in vascular plants?
Transporting water and minerals
Transporting sugars and nutrients
Structural support
Absorption of water
None
12.
Which group of plants is known for having “naked seeds”?
Angiosperms
Bryophytes
Gymnosperms
Pteridophyte
None
13.
Which class of vertebrates can lay amniotic eggs?
Amphibia
Reptilia
Pisces
Mammalia
None
14.
What type of body symmetry is found in annelids?
Radial symmetry
Bilateral symmetry
Asymmetry
Pentamerous symmetry
None
15.
What is the primary function of chlorophyll in plants?
Absorbing water
Transporting nutrients
Capturing light energy for photosynthesis
Structural support
None
16.
Which of the following is a characteristic feature of nematodes?
Segmented bodies
Radial symmetry
Unsegmented, cylindrical bodies
Jointed limbs
None
17.
Which phylum includes animals with an exoskeleton made of chitin?
Mollusca
Arthropoda
Annelida
Echinodermata
None
18.
What type of circulatory system do arthropods have?
Open circulatory system
Closed circulatory system
Water vascular system
No circulatory system
None
19.
Which of the following is a feature of chordates?
Jointed appendages
Notochord
Exoskeleton
Radial symmetry
None
20.
Which of the following is an example of a non-vascular plant?
Fern
Moss
Pine tree
Rose
None
21.
Which phylum do clams and oysters belong to?
Arthropoda
Mollusca
Annelida
Porifera
None
22.
Which characteristic is common to all members of the phylum Chordata?
Exoskeleton
Notochord
Radial symmetry
Segmented body
None
23.
What is the main feature that distinguishes gymnosperms from angiosperms?
Presence of flowers
Presence of seeds
Absence of vascular tissue
Seedless reproduction
None
24.
What is the defining feature of the phylum Echinodermata?
Segmented body
Radial symmetry in adults
Exoskeleton
Jointed appendages
None
25.
Which part of the plant is primarily involved in photosynthesis?
Root
Stem
Leaf
Flower
None
1 out of 25
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