Classification of Plants Test

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Classification of Plants Test - 1

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Question 1
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Savita observed a stale loaf of bread in the refrigerator. She also observed a green colouration on the bread. The green colour observed over the leaf of bread is due to the

A
Rhizopus

B
Yeast

C
Streptococcus

D
Entamoeba

Solution

The green colour on the loaf of bread is due to the growth of Rhizopus commonly known as bread mould.
Question 2
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Which of the following equations regarding the constituents of kingdom Plantae is not correct?

A
Gymnosperms = (Phanerogams − Angiosperms)

B
Plants with vascular tissue = (Kingdom Plantae − Algae)

C
Cryptogams = (Thallophytes + Bryophytes + Pteridophytes)

D
Plants with a definite body design = (Kingdom Plantae − Thallophytes)

Solution

Plants with vascular tissue include plants in division Pteridophyta and higher divisions.

Hence, the incorrect equation is:

Vascular Tissue = (Kingdom Plantae − Algae)

The correct equation should be:

Plants with vascular tissue = Kingdom Plantae − (Algae + Bryophyta)
Question 3
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Monocots are those plants which bear seeds having single cotyledon. Which of the following plants is a monocot?

A
Pea

B
Gram

C
Maize

D
Brinjal

Solution

Maize is a monocot plant. It bears seeds with a single cotyledon.
Question 4
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Which kingdom lacks a well-defined nucleus and membrane-bound cell organelles?

A
Fungi

B
Monera

C
Protista

D
Plantae

Solution

The organisms belonging to kingdom Monera are only prokaryotes. Prokaryotes lack a well-defined nucleus and membrane-bound cell organelles.
Question 5
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Use the following information to answer the next question.

In micro-organisms, locomotion occurs through different methods. Cilia are body structures that help them in movement. They also move with the help of pseudopodia.

Which of the following organisms moves with the help of pseudopodia?

A
Euglena

B
Bacteria

C
Amoeba

D
Paramecium

Solution

Pseudopodia are arm-like extensions found on the bodies of micro-organisms. These extensions help them move. Micro-organisms feed on other smaller organisms by engulfing them with the help of pseudopodia.

The correct answer is C.

Why alternative A is wrong:

Euglena moves with the help of flagella. The flipping movement of flagella propels them forward.

Why alternative B is wrong:

Bacteria move with the help of flagella. The flipping movement of flagella propels them forward.

Why alternative D is wrong:

Paramecium has cilia all over its body. The to and fro movement of cilia propels them forward.