11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மொழி கலை -செய்யுள் - ஒவ்வொரு புல்லையும் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - துணைப்பாடம் - வாடிவாசல் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A
Published on: 11/11/2020
11th Standard Botany English Medium Free Online Test One Mark Questions 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.
Questions + Answers key
Take MCQ Biology Test1.
Colour revealed by Gram positive bacteria after Gram staining is _________ .
red
indigo
dark violet
blue
2.
Which is not a cryptogam?
Algae
Bryophytes
Pteridophyta
Angiospermae
3.
Amber is obtained from____________
Angiosperm
Gymnosperm
Pteridophytes
Bryophytes
4.
Carrageenan is obtained from__________
Chlorella
Chara
Chondrus
Chlamydomonas
5.
Type of vegetative reproduction seen in ulothrix is ___________
bulbils
fission
fragmentation
tubers
6.
They develop from single ovary where the pericarp dry.
Hesperidium
Pome
Balausta
Dry Fruit
7.
A flower contains only one of the essential whorls is called ______________.
Perfect flower
Imperfect flower
Staminate flowers
Hermaphroditic
8.
An inflorescence with shorter pedicellate flowers at the top ____________ .
Catkin
Spadix
Panicle
Corymb
9.
Lysogenic cycle is otherwise called _________.
Avirulent
Virulent
Transfection
Ghost
10.
Aestivation is the term used for
arrangement of flowers in inflorescence
arrangement of leaves in the stem
arrangement of sepals and petals in the flower bud
none of the above
11.
Transgenic plants are the ones:
grown in artificial medium, after hybridization in the field.
produced by a somatic embryo in artificial medium.
generated by introducing foreign DNA into a cell and regenerating a plant from that cell.
produced after protoplast fusion in artificial medium.
12.
Amylum stars, root bulbils and amorphous bulbils are the vegetative reproductive organs of __________
Chara
Oedogonium
Selaginella
Pinus
13.
What type of transpiration is possible in the xerophyte Opuntia?
Stomatal
Lenticular
Cuticular
All the above
14.
Multiple root cap is seen in ____
Lemna
Pistia
Pandanus
Rhizophora
15.
The organisms isolated from pleural fluid of cattle ______________
Actinomycetes
Virus
Phage
Mycoplasma
16.
Founder of modern Bacteriology _________________
Koch
Griffith
Lederberg
Gram
17.
Example for negatively geotropic roots __________
Ipomoea, Dahlia
Asparagus, Ruellia
Vitis, Portulaca
Avicennia, Rhizophora
18.
Sum total of constructive reactions is called as _____________
Anabolism
Catabolism
Metabolism
Embolism
19.
Identify the incorrect statement about the Gram positive bacteria.
Teichoic acid absent
High percentage of peptidoglycan is found in cell wall
Cell wall is single layered
Lipopolysaccharide is present in cell wall
20.
Centromere is required for ______.
transcription
crossing over
cytoplasmic cleavage
movement of chromosome towards pole
1.
(c)
dark violet
2.
(d)
Angiospermae
3.
(b)
Gymnosperm
4.
(c)
Chondrus
5.
(c)
fragmentation
6.
(d)
Dry Fruit
7.
(b)
Imperfect flower
8.
(d)
Corymb
9.
(a)
Avirulent
10.
(c)
arrangement of sepals and petals in the flower bud
11.
(c)
generated by introducing foreign DNA into a cell and regenerating a plant from that cell.
12.
(a)
Chara
13.
(c)
Cuticular
14.
(c)
Pandanus
15.
(d)
Mycoplasma
16.
(a)
Koch
17.
(d)
Avicennia, Rhizophora
18.
(a)
Anabolism
19.
(d)
Lipopolysaccharide is present in cell wall
20.
(d)
movement of chromosome towards pole
11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - துணைப்பாடம் - யானை டாக்டர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - செய்யுள் - ஐங்குறுநூறு Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 11th Standard Subjects
Maths
Commerce
Economics
Biology
Business Maths and Statistics
Accountancy
Computer Science
Physics
Chemistry
Maths
Biology
Economics
Physics
Chemistry
History
Business Maths and Statistics
Computer Science
Accountancy
Computer Applications
History
Computer Technology
Commerce
Computer Applications
Computer Technology
Tamil
English
French
Tamilnadu Stateboard Standards
