11th Standard Syllabus & Materials

11th Standard

TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A

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11th Standard

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11th Standard

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11th Standard

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11th Standard

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11th Standard

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11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020

Published on: 11/11/2020

Download Tamil Nadu 11th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 11th Standard - Biology

chapter: - Model Question paper

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Questions:

Multiple Choice Question

10 x 1 = 10

Stromatolites are the colonies of cyanobacteria bind with ____________ .

(a)

calcium carbonate

(b)

calcium hydroxide

(c)

magnesium sulphate

(d)

calcium silicate

If the diameter of the pulley is 12 inches, length of pointer is 10 inches and distance travelled by pointer is 5 inches. Calculate the actual growth in length of plant.

(a)

3 inches

(b)

6 inches

(c)

12 inches

(d)

30 inches

Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

(a)

Tuberous root

(b)

Beaded root

(c)

Moniliform root

(d)

Nodulose root

A true fruit is the one where ______.

(a)

Only ovary of the flower develops into fruit

(b)

Ovary and calyx of the flower develops into fruit

(c)

Ovary, calyx and thalamus of the flower develops into fruit

(d)

All floral whorls of the flower develops into fruit

Yeast and Hydra reproduce by ___________

(a)

Budding

(b)

Fission

(c)

Spore formation

(d)

Vegetative propagation

The correct statement regarding Blue green algae is ______.

(a)

lack of motile structures

(b)

presence of cellulose in cell wall

(c)

absence of mucilage around the thallus

(d)

presence of floridean starch

Enzymes that catalyse interconversion of optical, geometrical or positional isomers are ______________

(a)

Ligases

(b)

Lyases

(c)

Hydrolases

(d)

Isomerases

Perianth is present in_______.

(a)

Clitoria ternatea

(b)

Datura metel

(c)

Allium cepa

(d)

Pongamia pinnata

Centromere is required for ______.

(a)

transcription

(b)

crossing over

(c)

cytoplasmic cleavage

(d)

movement of chromosome towards pole

10.

Phycology is the study of _______

(a)

virus

(b)

algae

(c)

plants

(d)

bacteria

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Answers Key:

Multiple Choice Question

10 x 1 = 10

(a)
calcium carbonate

(a)
3 inches

(d)
Nodulose root

(a)
Only ovary of the flower develops into fruit

(a)
Budding

(a)
lack of motile structures

(d)
Isomerases

(d)
movement of chromosome towards pole

10.

(b)
algae

11th Standard Syllabus & Materials

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set A

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11th Standard

TN 11th Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set A

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11th Standard

TN 11th Tamil மாமழை போற்றுதும் - துணைப்பாடம் - யானை டாக்டர் Important Questions And Answers Study Material - QB365 Set A

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11th Standard

TN 11th Tamil மாமழை போற்றுதும் - செய்யுள் - ஐங்குறுநூறு Important Questions And Answers Study Material - QB365 Set A

NEW MCQ Practice Test - Tamilnadu Stateboard Class 11

Biology Tamilnadu Stateboard Class 11 MCQ Practice Test

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Biology Tamilnadu Stateboard Class 11 MCQ Practice Tests

Tamilnadu Stateboard Class 11 MCQ Practice Test

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Tamilnadu Stateboard Class 11 MCQ Practice Tests

11th Standard Study Materials

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Tamilnadu Stateboard Standards

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