MCQ : Diversity In Living Organisms - 1


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Attempt MCQ : Diversity In Living Organisms - 1 | 10 questions in 10 minutes | Mock test for Class 9 preparation | Free important questions MCQ to study Online MCQ Tests for Class 9 for Class 9 Exam | Download free PDF with solutions
QUESTION: 1

A group of freely interbreeding organisms constitute a

Solution:

Those organisms which freely interbreed are known as species. And group of species or the freely interbreeding organism constitutes Genus.

QUESTION: 2

Identify a member of Porifera.

Solution:
QUESTION: 3

All the plants, animals and protists living in a forest make up a

Solution:
QUESTION: 4

Differentiation in segmental fashion occurs in

Solution:

Leech is a member of Phylum Annelida. Members of Phylum Annelida have body surface marked out into segments or metameres, its body surface is covered by cuticles. Thus, it is called ringworm. Starfish belong to Echinodermata and snails belong to Mollusca.
Hence the correct answer is option “A”

QUESTION: 5

In a taxonomic hierarchy, as one goes from Species to Kingdom the number of common characteristics

Solution:
QUESTION: 6

Which is not an aquatic animal?

Solution:

Filaria isa disease caused by Wuchereria bancrofti, it is not an aquatic animal, whereas, Hydra is a coelentrate and is a freshwater organism. Jelly fish is a marine animal. Corals are cnidarians and Marine invertebrates.

QUESTION: 7

The scientific name of an organism

Solution:
QUESTION: 8

Two-chambered heart occurs in

Solution:
QUESTION: 9

Members of which of the following kingdoms are single cells with considerable internal complexity?

Solution:

The monerans , mostly bacteria, came first: more than 3 billion years ago.

Monerans are single-celled, with little internal structural complexity.

In spite of their structural simplicity, they represent great biochemical diversity.

Monerans include: producers (photosynthetic or chemosynthetic) and decomposers.

QUESTION: 10

Which among the following produce seeds?

Solution:

In gymnosperm, male and female gametophytes are within sporangia on sporophyte. Pollen grain in microsporangium is carried in the air and come in contact with ovule on megasporophyll. After fertilization, zygote forms embryo and ovule forms seed. Seeds are not covered. In bryophytes and pteridophytes, zygote produces sporophyte and there is no seed formation. In thallophyte, reproduction is mainly asexual and when sexual it is isogamous, anisogamous or oogamous.

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