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Name the type of fruit apple is categorised under and why ? Me
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Name the type of fruit apple is categorised under and why ? Mention two other examples which belong to the same category as apple.

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Book:

Oswaal CBSE Question Bank Class 12 Biology Chapterwise and Topicwise (Oswaal)

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False fruit, thalamus contributes to fruit formation: Strawberry, Cashew .
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Practice questions from Oswaal CBSE Question Bank Class 12 Biology Chapterwise and Topicwise (Oswaal)

Question 1
Hard
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(i) Why does endosperm development precede embryo development in angiosperm seeds ? State the role of endosperm in mature albuminous seeds.
(ii) Describe with the help of three labelled diagrams the different embryonic stages that include mature embryo of dicot plants. 
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Oswaal CBSE Question Bank Class 12 Biology Chapterwise and Topicwise (Oswaal)

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Question 2
Easy
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Views: 6,755

Draw a labelled diagram of the sectional view of a mature pollen grain of angiosperms. Explain the function of any two of its parts.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Oswaal CBSE Question Bank Class 12 Biology Chapterwise and Topicwise (Oswaal)

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Question 3
Easy
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Views: 5,766

What does an interaction between pollen grains and its compatible stigma result in after pollination ? List two steps in sequence that follow after the process.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Oswaal CBSE Question Bank Class 12 Biology Chapterwise and Topicwise (Oswaal)

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Question 4
Hard
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Views: 5,857

(i) State one difference and one similarity between geitonogamy and xenogamy.
(ii) Explain any three devices developed in flowering plants to discourage self pollination and encourage cross pollination.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Oswaal CBSE Question Bank Class 12 Biology Chapterwise and Topicwise (Oswaal)

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Practice more questions from Sexual Reproduction in Flowering Plants

Question 1
Easy
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Views: 5,366

Some angiosperm seeds are said to be albuminous, whereas a few others are said to have a perisperm. Explain each with the help of an example.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Oswaal CBSE Question Bank Class 12 Biology Chapterwise and Topicwise (Oswaal)

View solution

Question 2
Easy
Views

Views: 5,792

Obturators which help in fertilization are out growth of
  1. Pollen tube
  2. Stigma
  3. Placenta or funiculus
  4. Pollen grains
Topic

Topic:

Sexual Reproduction in Flowering Plants

View 2 solutions

Question 3
Easy
Views

Views: 5,908

 ‘Cells at the chalazal end are called synergid cells’. The above statement is
  1. True
  2. False
  3. Sometimes (a) and sometimes (b)
  4. Neither (a) nor (b)
Topic

Topic:

Sexual Reproduction in Flowering Plants

View solution

Question 4
Medium
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Views: 5,830

Draw the longitudinal section of a flower showing growth of pollen tube upto the embryo sac. Label the following parts :
(i)
(a) Stigma
(b) Pollen tube
(c) Integument
(d) Chalazal end
(e) Nucellus
(f) Synergids.
(ii) What is double fertilisation in Angiosperms ? Why is it so called ?
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Oswaal CBSE Question Bank Class 12 Biology Chapterwise and Topicwise (Oswaal)

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Practice questions on similar concepts asked by Filo students

Question 1
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Views: 5,017

Which sets of structures are homologous?A. a butterfly's wing and a bat's wingB. a moth's eyes and a cow's eyesC. a beetle's leg and a horse's legD. a whale's flipper and a bird's wing
Topic

Topic:

Biology

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Question 2
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Views: 5,174

In C. elegans there are a multitude of gene products whose
  1. mutation is associated with defects in intraflagellar transport. If
  2. mutation in either gene X caused a reduction in the rate of
  3. motility of IFT particles, what might you suspect the molecular
  4. nature of gene X to be?
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Biology

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Question 3
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Texts: Bookmarks, Profiles, Tab, Window, Help Peralta Passport - Yahoo Search Peralta Portal My Apps OQuiFinalL Courses/48388/quizzes/198530/take Question 5 1 pt How does chloramphenicol inhibit bacterial translation? - Interferes with attachment of tRNA to mRNA in ribosome complex - Binds 50S portion of ribosome; inhibits ribosome translocation - Binds to large subunit; inhibits peptidyl transferase activity - Changes shape of 30S portion of the prokaryotic ribosome; initiates incorrect reading of mRNA codons - Binds to bacterial tRNA - Binds irreversibly to the small ribosomal subunit Question 6 1 pt Which of the following are NOT targets of antibiotics on microbes? Mark both answers. - Iron uptake - Protein synthesis - Lipopolysaccharide synthesis - Plasma membrane injury - Cell wall synthesis MacBook Air 888 % 5 4 G H
Topic

Topic:

Biology

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Question 4
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Views: 5,566

5. The process in which light energy is harnessed by photolyase to repair thymine dimers is called a. proofreading b. missense mutation c. excision repair d. photoactivation 6. Living cells exchange DNA through a process. This is an example of: a. transduction b. transformation c. transposition d. reaction of an Hfr cell e. interaction carried out without mutualism c. symbiosis d. satolitism e. antibiosis 8. Detergents work by blocking transport out from the organism b. coating the organism preventing interaction with it d. blocking transport into the organism e. disrupting membrane integrity 9. The 3 main metabolic pathways share what step in common? a. electron transport chain b. glycolysis c. conversion of pyruvate to acetyl CoA d. Krebs cycle 10. In the viable plate count method, a measured sample of a culture is evenly spread across an agar surface and incubated. Each colony represents one from the sample. a. cell b. colony 11. Light production by Vibrio fischeri in the squid light organ, what happens when the number of bacterial cells reach high density. This is an example of what type of regulation? a. mutation b. lactose induction c. quorum sensing d. lactose repression 12. Organisms in a biofilm differ from planktonic bacteria in that a. all choices reflect differences between biofilms & planktonic bacteria b. organisms in a biofilm secrete extracellular materials to keep them anchored to a surface, these substances are not produced by free-floating bacteria c. an organism in a biofilm will activate different genes compared to a planktonic organism of the same species
Topic

Topic:

Biology

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Question Text
Name the type of fruit apple is categorised under and why ? Mention two other examples which belong to the same category as apple.
TopicSexual Reproduction in Flowering Plants
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes138