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SCERT Maharashtra solutions for Biology [English] 12 Standard HSC chapter 1 - Reproduction in Lower and Higher Plants [Latest edition]

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SCERT Maharashtra solutions for Biology [English] 12 Standard HSC chapter 1 - Reproduction in Lower and Higher Plants - Shaalaa.com
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Solutions for Chapter 1: Reproduction in Lower and Higher Plants

Below listed, you can find solutions for Chapter 1 of Maharashtra State Board SCERT Maharashtra for Biology [English] 12 Standard HSC.


MCQVery Short AnswerShort Answer 1Short Answer 2Long Answer
MCQ

SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 1 Reproduction in Lower and Higher Plants MCQ

1 marks

1

The outer layer of the pollen grain is thick and made up of a complex, non-biodegradable substance called _______.

  • lignin

  • cellulose

  • pectin

  • sporopollenin

1 marks

2

Sporoderm is made up of ______.

  • exosporium and endosporium

  • outer integuments and inner integument

  • testa and tegmen

  • exine and intine

1 marks

3

The number of meiotic and mitotic divisions necessary for development of female gametophyte in angiosperms is ______.

  • 1 meiosis and 2 mitosis

  • 1 mitosis and 3 meiosis

  • 1 meiosis and 1 mitosis

  • 1 meiosis and 3 mitosis.

1 marks

4

Identify the odd one with respect to pollinating agent.

  • Baobab

  • Bottle brush

  • Kadamb

  • Sausage

1 marks

5

In vitro pollen germination and pollen tube elongation can be induced by ______.

  • Boric acid

  • Glucose

  • Lactose

  • Sucrose

1 marks

6

Self-incompatibility is found in flowers of plants _______.

  • Calotropis

  • maize

  • Thea

  • Gloriosa

1 marks

7

Porogamy refers to entry of pollen tube through ____________.

  • integuments

  • chalaza

  • micropyle

  • stigma

1 marks

8

______ is an example of helobial endosperm.

  • Adoxa

  • coconut

  • Asphodelus

  • sunflower

1 marks

9

The single shield-shaped cotyledon in monocot seed is known as ______.

  • coleoptile

  • scutellum

  • aleurone layer

  • perisperm

1 marks

10

The example of dicot endospermic seed is ______.

  • castor

  • pea

  • mango

  • bean

Very Short Answer

SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 1 Reproduction in Lower and Higher Plants Very Short Answer

1 marks

1

Why anther is called as tetrasporangiate structure?

1 marks

2

At which stage pollen grains are shed from the anther in Angiosperms?

1 marks

3

What is hilum with respect to ovule?

1 marks

4

What is protandry?

1 marks

5

Name any one plant in which double fertilization was discovered?

1 marks

6

Why fertilization process in angiosperms is called as double fertilization?

1 marks

7

Which is the most common type of endosperm in angiospermic families?

1 marks

8

What is the role of suspensor during the development of embryo?

1 marks

9

What is adventive polyembryony?

1 marks

10

Name the hormone produced by unfertilised ovary responsible for enlargement of ovary into fruit.

Short Answer 1

SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 1 Reproduction in Lower and Higher Plants Short Answer 1

2 marks

1

Draw a well labelled diagram of T.S. anther.

2 marks

2

Describe the structure of pollen grain.

2 Marks

3

Draw a well labelled diagram of male gametophyte of angiosperms.

2 marks

4

Describe the structure of female gametophyte of angiosperms.

2 marks

5

Mention various adaptations for wind pollination.

2 marks

6

What are the different adaptations shown by bird-pollinated flowers?

2 marks

7

Explain heterostyly and herkogamy with suitable example.

2 marks

8

Give any four points of significance of double fertilization.

2 marks

9

Mention significance of fruit and seed formation.

2 marks

10

Give an account of polyembryony.

Short Answer 2

SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 1 Reproduction in Lower and Higher Plants Short Answer 2

3 marks

1

Describe the internal structure of anther (diagram is not expected).

3 marks

2

Explain the development of male gametophyte in angiosperms (diagram is not expected).

3 marks

3

Explain water pollination in detail with its types.

3 marks

4

Give an account of any two biotic agents for pollination along with their adaptations.

3 marks

5

Explain any two contrivances or outbreeding devices for pollination.

3 marks

6

Describe the process of fertilization in angiosperms with the help of a diagram.

3 marks

7

Write a note on different types of endosperms in angiosperms.

3 marks

8

Describe the development of dicot embryo in flowering plants.

3 marks

9

Draw a well labelled diagram of the monocot seed you have studied.

3 marks

10

Explain various categories of apomixis.

Long Answer

SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 1 Reproduction in Lower and Higher Plants Long Answer

4 marks

1

Describe the structure of anatropus ovule with the help of a labelled diagram.

4 marks

2

Describe the development of female gametophyte of angiosperms with the help of diagram.

4 marks

3

Give an account of various abiotic agencies used in pollination along with their adaptations for pollination.

4 marks

4

Give an account of pollen pistil interaction in detail.

4 marks

5

Describe the process of double fertilization in angiosperms and add a note on its significance.

Solutions for 1: Reproduction in Lower and Higher Plants

MCQVery Short AnswerShort Answer 1Short Answer 2Long Answer
SCERT Maharashtra solutions for Biology [English] 12 Standard HSC chapter 1 - Reproduction in Lower and Higher Plants - Shaalaa.com

SCERT Maharashtra solutions for Biology [English] 12 Standard HSC chapter 1 - Reproduction in Lower and Higher Plants

Shaalaa.com has the Maharashtra State Board Mathematics Biology [English] 12 Standard HSC Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. SCERT Maharashtra solutions for Mathematics Biology [English] 12 Standard HSC Maharashtra State Board 1 (Reproduction in Lower and Higher Plants) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. SCERT Maharashtra textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Biology [English] 12 Standard HSC chapter 1 Reproduction in Lower and Higher Plants are Overview of Reproduction in Lower and Higher Plants, Fertilization, Reproduction, Asexual Reproduction, Asexual Reproduction in Unicellular Organisms > Binary Fission, Binary Fission > Simple Binary Fission, Binary Fission > Transverse Binary Fission, Binary Fission > Longitudinal Binary Fission, Asexual Reproduction in Unicellular Organisms > Multiple Fission, Asexual Reproduction in Unicellular Organisms > Budding, Asexual Reproduction in Multicellular Organisms > Fragmentation, Asexual Reproduction in Multicellular Organisms > Spore Formation, Structure and Development of Male Gametophyte, Structure and Development of Ovule, Types of Ovules (Based on Orientation), Types of Ovules (Based on Integuments), Megasporogenesis, Development of Female Gametophyte or Embryo Sac, Pollination, Malacophily, Outbreeding Devices, Pollen Pistil Interaction, Double Fertilization and Triple Fusion, Endosperm, Embryo, Apomixis, Parthenocarpy, Sexual Reproduction, Cross-pollination, Anemophily, Hydrophily, Entomophily, Ornithophily, Cheiropteriphily, Polyembryony, Geitonogamy, Agents and Types of Cross-pollination, Artificial Hybridization or Artificial Fertilization, Seed and Fruit Development, Dormancy, Vegetative Reproduction or Vegetative Propagation, Natural Vegetative Propagation, Artificial Vegetative Propagation, Flower, Structure and Development of Anther, Microsporogenesis, Autogamy.

Using SCERT Maharashtra Biology [English] 12 Standard HSC solutions Reproduction in Lower and Higher Plants exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in SCERT Maharashtra Solutions are essential questions that can be asked in the final exam. Maximum Maharashtra State Board Biology [English] 12 Standard HSC students prefer SCERT Maharashtra Textbook Solutions to score more in exams.

Get the free view of Chapter 1, Reproduction in Lower and Higher Plants Biology [English] 12 Standard HSC additional questions for Mathematics Biology [English] 12 Standard HSC Maharashtra State Board, and you can use Shaalaa.com to keep it handy for your exam preparation.

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