InstaQB

Home
Institutions
- Institutions
  
  Polytechnic Colleges
  
  Medical Colleges
  
  Arts & Science Colleges
  
  Universities
  
  Engineering Colleges
  
  Agricultural Colleges
  
  Research Institute
  
  Law Colleges
  
  Audiology and Speech Colleges
  
  Business & Management colleges
  
  Nursing colleges
  
  Hotel Management institutes
  
  Aeronautical Colleges
  
  Bachelor's Degree
Syllabus
Courses
Stateboard
- 12th Standard English Medium
  
  Maths
  
  Physics
  
  Chemistry
  
  Biology
  
  Computer Science
  
  Business Maths
  
  Economics
  
  Commerce
  
  Accountancy
  
  History
  
  Computer Applications
  
  Computer Technology
  12th Standard Tamil Medium
  
  உயிரியல்
  
  கணினி பயன்பாடுகள்
  
  கணினி அறிவியல்
  
  வணிகக் கணிதம்
  
  வணிகவியல்
  
  பொருளியல்
  
  கணிதவியல்
  
  வேதியியல்
  
  இயற்பியல்
  
  கணினி தொழில்நுட்பம்
  
  வரலாறு
  
  கணக்குப்பதிவியல்
  11th Standard English Medium
  
  Maths
  
  Commerce
  
  Economics
  
  Biology
  
  Business Maths
  
  Accountancy
  
  Computer Science
  
  Physics
  
  Chemistry
  
  Computer Applications
  
  History
  
  Computer Technology
  
  Bio - Zoology
  11th Standard Tamil Medium
  
  கணிதவியல்
  
  உயிரியல்
  
  பொருளியல்
  
  இயற்பியல்
  
  வேதியியல்
  
  வணிகக் கணிதம்
  
  கணினி அறிவியல்
  
  கணக்குப்பதிவியல்
  
  வணிகவியல்
  
  கணினி பயன்பாடுகள்
  10th Standard English Medium
  
  Mathematics
  
  Science
  
  Social Science
  
  9th Standard English Medium
  
  Mathematics
  
  Science
  
  Social Science
  
  8th Standard English Medium
  
  Mathematics
  
  Science
  
  Social Science
  7th Standard English Medium
  
  Mathematics
  
  Science
  
  Social Science
ICSE/ISC
- Class XII
  
  Mathematics
  
  Physics
  
  Accountancy
  
  Biology
  
  History
  
  Geography
  
  Psychology
  
  chemistry
  
  Economics
  
  Computer Science
  
  Political Science
  
  Business Studies
  Class XI
  
  Accountancy
  
  Chemistry
  
  Mathematics
  
  Biology
  
  Geography
  
  Physics
  
  History
CBSE
- 12Th Standard
  
  Physics
  
  Chemistry
  
  Maths
  
  Biology
  
  History
  
  Economics
  
  Commerce
  
  Geography
  
  Socialogy
  
  Business Studies
  
  Computer Science
  
  Biotechnology Class
  
  Political Science
  
  Home Science
  11Th Standard
  
  Physics
  
  Chemistry
  
  Maths
  
  Biology
  
  History
  
  Economics
  
  Commerce
  
  Socialogy
  
  Business Studies
  
  Geography
  
  Home Science
  
  Computer Science
  
  Biotechnology Class
  
  Political Science
  10Th Standard
  
  Physics
  
  Chemistry
  
  Biology
  
  Mathematics
  
  Economics
  
  Geography
  
  History & Civics
  
  Computer Application
  9Th Standard
  
  Physics
  
  Chemistry
  
  Biology
  
  mathematics
  
  Computer Application
  
  Economics
  
  Geography
  
  History & Civics

12th Biology Monthly Test - 2 ( Botany - Asexual and Sexual Reproduction in Plants )

St. Britto Hr. Sec. School - Madurai

12th Biology Monthly Test - 2 ( Botany - Asexual and Sexual Reproduction in Plants )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

First cell of male gametophyte in angiosperm is

Microspore
Megapore
Nucleus
Primary Endosperm Nucleus

In majority of plants pollen is liberated at

1 celled stage
2 celled stage
3 celled stage
4 celled stage

Who discovered the pollen tube?

G. B. Amici
E. Strasburger
Hanstein
D. A. Johansen

Hollow style is also called as _________

closed style
solid style
open style
semi-solid style

Pollen deposits on another flower of same individual plant is called ___________

Geitonogamy
Xenogamy
Homogamy
Cleistogamy

In majority of plants pollen is liberated at

1 celled stage
2 celled stage
3 celled stage
4 celled stage

How do you call the fertilized ovule?

Embryo
Seed
Endosperm
Nutritive tissue

The funiculus disappears and leaves a scar called ____________

Micropyle
Tegmen
Testa
Hilum

Assertion : Sporopollenin preserves pollen in fossil deposits
Reason : Sporopollenin is resistant to physical and biological decomposition

assertion is true; reason is false
assertion is false; reason is true
Both Assertion and reason are not true
Both Assertion and reason are true.

Identify the correctly matched pair

Tuber - Allium Cepa
Sucker - Pistia
Rhizome - Musa
Stolon - Zingiber

Adventitious buds on roots are seen in ___________

Ipomoea
Pistia
Strawberry
Agave

Coelorhiza is found in

Paddy
Bean
Pea
Tridax

Size of pollen grain in Myosotis

10 micrometer
20 micrometer
200 micrometer
2000 micrometer

In Haplopappus gracilis, number of chromosomes in cells of nucellus is 4. What will be the chromosome number in Primary endosperm cell?

8
12
6
2

Megaspore arises from ___________

Integument
Nucellus
Placenta
Raphe

Part - B

Generic 2 - Answer All Question

What is cap block?

What is reproduction?

What is a pollinium?

What is an epiphyllous bud?

What do you mean by cleistogamy?
Define tissue culture.

What are germ pores?

Identify the parts ofL.S. of seed. Name it.

Part - C

Generic 3 - Answer All Question

What is endothelium?

Comment on terror of Bengal.

Outline the classification of recurrent apomixis.

Name the seed coats.

List any two strategy adopted by bisexual flowers to prevent self-pollination.

What is scutellum?
Discuss the importance of Modern methods in reproduction of plants.

Draw a Tunicated bulb and label any 4 parts.

Part - D

Generic 5 - Answer All Question

Write the advantages and disadvantages of self-pollination.

Write a note on Contrivances of cross pollination.

'Pollination in Gymnosperms is different from Angiosperms' -Give reasons.

‘Pollination in Gymnosperms is different from Angiosperms’ – Give reasons.
What is endosperm? Explain the types.

With a suitable diagram explain the structure of an ovule.

Comment

Add Comment

Tamilnadu Stateboardszs - Class