Diversity in Living Organisms Test

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Diversity in Living Organisms Test - 71

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following match is incorrect with respect to mouth parts in insects ?

A
Biting and chewing type - Grasshopper

B
Siphoning type - Butterfly

C
Piercing and sucking type- Mosquito

D
Sponging and lapping - House Flies

Solution

Generally, house flies don't bite. So their mouthparts are soft and are adapted for sponging up liquids. So the correct match for house fly is lapping and sponging.
So the correct answer is 'Sponging and lapping - House Flies'.
Question 2
1 / -0

Elephantiasis is caused by:

A
Earthworm

B
Pinworm

C
Wuchereria

D
Planarians
Solution
Wuchereria is a human parasite that causes Elephantiasis. Elephantiasis is spread through mosquitos.
Pinworm is a common intestinal parasite and causes enterobiasis.
Planarians are non-parasitic flatworms.
- Earthworms are soil red worms and are harmless.
So, the correct answer is C.
Question 3
1 / -0

Based on what similar characteristics that honeybee and cockroach are included in the same phylum?

A
Wings

B
Three pairs of legs

C
Jointed appendages

D
Antenna

Solution

Honeybee and cockroach are included in the phylum Arthropoda. The word Arthropoda itself means jointed legs (Arthon- jointed and podos- legs). Jointed appendages are one of the most important characters of Phylum Arthropoda and both these animals have jointed appendages.
Thus, the correct answer is option C.
Question 4
1 / -0

If a non-labeled diagram of an earthworm is given, then which special character must be shown to include it in a specific phylum?

A
Eye

B
Metamerical segmentation

C
Clitelum

D
Anus

Solution

Earthworm belongs to phylum Annelida. The characteristic feature of phylum Annelida is metameric segmentation which means that the body is elongated and conspicuously segmented both internally and externally. Metameric segmentation is also known as true segmentation.
So, the correct answer is option B- 'Metamerical segmentation'.
Question 5
1 / -0

Pigeon's heart has ........... compartments.

A
1

B
2

C
3

D
4
Solution
- Animals belonging to the class Aves have a 4-chambered heart i.e it contains 2 atria & 2 ventricles.
- Like mammals, in birds, there is complete separation of oxygenated and de-oxygenated blood.
- The right ventricle pumps blood to the lungs whereas, the left ventricle pumps blood to the rest of the body parts.
- So the correct answer is '4'.
Question 6
1 / -0

Which of the following characters are not found in a cockroach?

A
Compound eyes

B
Two pairs of wings

C
Skin appendages

D
Three pairs of legs with jointed appendages
Solution
- A cockroach has a triangular head that bears a pair of compound eyes and a pair of simple eyes.
- It has two pairs of wings which are forewings and hindwings. Forewings are used for protection and hindwings are used for flying.
- The skin appendages include sweat glands, nails, hair shaft, hair follicle, etc. These are absent in a cockroach.
- It has three pairs of walking legs.
So, the correct answer is option C.
Question 7
1 / -0

Roundworms belong to the phylum ________.

A
Nematoda

B
Porifera

C
Platyhelminthes

D
Annelida

Solution

Roundworms belong to the phylum Nematoda. Their bodies are cylindrical. They are triploblastic and bilaterally symmetrical. They have a pseudocoelom.
So, the correct answer is option A.
Question 8
1 / -0

Pteridophyta falls under which category?

A
Cryptogams

B
Phanerogams

C
Angiosperms

D
Both B and C
Solution
- A cryptogam is a plant or a plant-like organism that reproduces by spores, without flowers or seeds. "Cryptogamae" means "hidden reproduction", referring to the fact that no seed is produced, thus cryptogams represent the non-seed bearing plants.
- Pteridophytes are vascular plants that reproduce using spores. They do not produce flowers and seeds and hence, are also called cryptogams. These include ferns and horsetails.
So, the correct option is 'Cryptogams'.
Question 9
1 / -0

What is the basis of classification of vertebrata into sub groups?

A
Notochord

B
Vertebral column

C
Organs of respiration

D
Organs of reproduction

Solution

Vertebrata is a class of organisms containing notochord and vertebral columns. These organisms are divided into subgroups by modes of respiration. For example, fishes breathe through gills, amphibians through the skin, birds through air sacs, and mammals through the lungs.
Organs of reproduction are the same in all animals, though the mode of reproduction may vary.
So, the correct option is C.
Question 10
1 / -0

How do gymnosperms and angiosperms differ from each other?

A
Gymnosperms have naked seed but angiosperms have covered seeds.

B
Gymnosperms have leaves but angiosperms do not have leaves.

C
Gymnosperms are seed-bearing plants but seed is absent in angiosperm.

D
Both A and B
Solution
- The key difference between angiosperms and gymnosperms is how their seeds are developed.
- The seeds of angiosperms develop in the ovaries of flowers and are surrounded by a protective fruit.
- Gymnosperm seeds are usually formed in unisexual cones and the plants lack fruits and flowers.
So, the correct answer is option A.

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Re-Attempt Weekly Quiz Competition

Diversity in Living Organisms Test - 71

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Diversity in Living Organisms Test - 71

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SHARING IS CARING

Question 1

Biting and chewing type - Grasshopper

Siphoning type - Butterfly

Piercing and sucking type- Mosquito

Sponging and lapping - House Flies

Solution

Question 2

Earthworm

Pinworm

Wuchereria

Planarians

Solution

Question 3

Wings

Three pairs of legs

Jointed appendages

Antenna

Solution

Question 4

Eye

Metamerical segmentation

Clitelum

Anus

Solution

Question 5

1

2

3

4

Solution

Question 6

Compound eyes

Two pairs of wings

Skin appendages

Three pairs of legs with jointed appendages

Solution

Question 7

Nematoda

Porifera

Platyhelminthes

Annelida

Solution

Question 8

Cryptogams

Phanerogams

Angiosperms

Both B and C

Solution

Question 9

Notochord

Vertebral column

Organs of respiration

Organs of reproduction

Solution

Question 10

Gymnosperms have naked seed but angiosperms have covered seeds.

Gymnosperms have leaves but angiosperms do not have leaves.

Gymnosperms are seed-bearing plants but seed is absent in angiosperm.

Both A and B

Solution

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