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 -1 ( Botany - Asexual and Sexual Reproduction in Plants )

St. Britto Hr. Sec. School - Madurai

12th Biology Monthly Test -1 ( Botany - Asexual and Sexual Reproduction in Plants )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Arrange the layers of anther wall from locus to periphery

Epidermis, middle layers, tapetum, endothecium.
Tapetum, middle layers, epidermis, endothecium.
Endothecium, epidermis, middle layers, tapetum.
Tapetum, middle layers endothecium, epidermis.

Size of pollen grains in Myosotis

10 micrometer
20 micrometer
200 micrometer
2000 micrometer

__________ is an example for sucker.

Dioscorea
Chrysanthemum
Bryophyllum
Murraya

Pollen tube was discovered by

J. G. Kolreuter
G. B. Amici
E. Strasburger
E. Hanning

Which of the following represent megagametophyte

Ovule
Embryo sac
Nucellus
Endosperm

First cell of male gametophyte in angiosperm is

Microspore
Megapore
Nucleus
Primary Endosperm Nucleus

Transmitting tissue is found in

Micropylar region of ovule
Pollen tube wall
Stylar region of gynoecium
Integument

The scar left by funiculus in the seed is

tegmen
radicle
epicotyl
hilum

Choose the correct statements from the following.

Gametes are involved in asexual reproduction.
Bacteria reproduce asexually by budding.
Conidia formation is a method of sexual reproduction.
Yeast reproduce by budding.

Who initiated embryo culture?

D. A. Johansen
E. Hanning
G. B. Amici
J. G. Kolrecuter

Choose the correct statement(s) about tenuinucellate ovule

Sporogenous cell is hypodermal
Ovules have fairly large nucellus
sporogenous cell is epidermal
ovules have single layer of nucellus tissue

Coelorhiza is found in

Paddy
Bean
Pea
Tridax

Match the following
I) External fertilization i) pollen grain
II) Androecium ii)anther wall
III) Male gametophyte iii)algae
IV) Primary parietal layer iv)stamens

I-iv;II-i;III-ii;IV-iii
I-iii;II-iv;III-i;IV-ii
I-iii;II-iv;III-ii,IV-i
I-iii;II-i;III-iv;IV-ii

Find out the character which is not suitable for anemophilous plants ____________

Spike infloresence
Perianth is absent
Flowers are small
Scented flowers

Parthenocarpic fruits lack

Endocarp
Epicarp
Mesocarp
seed

Part - B

Generic 2 - Answer All Question

What is meant by chasmogamy?

Distinguish mound layering and air layering.

Differentiate monoecious and dioecious.

What is a pollinium?

Mention the contribution of Hofmeister towards Embryology.

What is cap block?

What is pollen calendar?

Find the parts of'the embryo sac.

What are germ pores?

What is reproduction?

Describe tlie wall layers of a pollen grain.

What is scion?
Write down the disadvantages of conventional method of propagation of plants.

What are clones?

Define tissue culture.

What is reproduction?

Part - C

Generic 3 - Answer All Question

Write the advantages of natural vegetative reproduction.

'The endosperm of angiosperm is different from gymnosperm. Do you agree. Justify your answer.

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

Distinguish mound layering and air layering.

What is triple fusion?

Explain the types of entry of pollen tube into the ovule.

Why do insects visit flowers?

Mention some adaptations of ornithophilous flowers.
What is perisperm?

Differentiate Apomixis and Amphimixis.

List out the functions of tapetum.

Part - D

Generic 5 - Answer All Question

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

Enumerate the characteristic features of Entomophilous flowers

Discuss the steps involved in Microsporogenesis

Write short note on Pollen kitt.

Give a concise account on steps involved in fertilization of an angiosperm plant.
With a suitable diagram explain the structure of an ovule.

Comment

Add Comment

Tamilnadu Stateboardszs - Class