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B.Tech Agricultural Biology — practice questions

Explore 30 free Biology questions in B.Tech Agricultural Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Showing questions 1–30 of 30.

A typical flower is built from how many main whorls?Read the answer and worked solution →The outermost whorl of green leafy structures in a flower is made of:Read the answer and worked solution →The male whorl of a flower, bearing stamens with anthers, is the:Read the answer and worked solution →The innermost, female whorl of a flower is the:Read the answer and worked solution →The individual unit of the gynoecium, with stigma, style and ovary, is the:Read the answer and worked solution →A flower having all four whorls present is described as:Read the answer and worked solution →A flower containing both an androecium and a gynoecium is described as:Read the answer and worked solution →A species with male and female flowers on the same plant, such as corn, is:Read the answer and worked solution →A species with male and female flowers on separate plants is:Read the answer and worked solution →In maize, the pollen producing staminate flowers are clustered in the:Read the answer and worked solution →Pollen grains develop inside pollen sacs known as the:Read the answer and worked solution →The transfer of pollen from an anther to the stigma of the same plant is called:Read the answer and worked solution →Transfer of pollen to the stigma of a different plant of the same species is:Read the answer and worked solution →Plants avoid self pollination mainly because cross pollination gives greater:Read the answer and worked solution →In flowering plants, one sperm makes the zygote and the other makes the endosperm. This is:Read the answer and worked solution →The endosperm formed in double fertilisation is:Read the answer and worked solution →Double fertilisation is a key event in angiosperms but is completely absent in:Read the answer and worked solution →A typical seed contains a seed coat, endosperm, an embryo and:Read the answer and worked solution →Corn and other monocots have how many cotyledons in the seed?Read the answer and worked solution →A seed staying viable but inactive through unfavourable conditions shows:Read the answer and worked solution →Asexual reproduction in plants produces offspring that are genetically:Read the answer and worked solution →Ginger spreads by masses of underground stems called:Read the answer and worked solution →Catch the flower whorlsRead the answer and worked solution →Pop the carpel partsRead the answer and worked solution →Run the flower gatesRead the answer and worked solution →Slice the flower partsRead the answer and worked solution →Sexual or asexualRead the answer and worked solution →Sort the reproduction termsRead the answer and worked solution →Type the numberRead the answer and worked solution →Plant reproduction bingoRead the answer and worked solution →

Worked practice questions

A typical flower is built from how many main whorls?

  1. 4
  2. 3
  3. 5
  4. 6
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Correct answer: A. 4

1. The parts are arranged in rings around the receptacle. 2. Calyx, corolla, androecium and gynoecium are named. 3. So there are 4 whorls. _Source: OpenStax Biology 2e, Chapter 32, Plant Reproduction._

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The outermost whorl of green leafy structures in a flower is made of:

  1. Carpels
  2. Sepals
  3. Petals
  4. Stamens
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Correct answer: B. Sepals

1. They protect the bud before it opens. 2. They form the calyx. 3. Those structures are sepals. _Source: OpenStax Biology 2e, Chapter 32, Plant Reproduction._

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The male whorl of a flower, bearing stamens with anthers, is the:

  1. Androecium
  2. Gynoecium
  3. Archegonium
  4. Antheridium
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Correct answer: A. Androecium

1. Anthers hold the pollen sacs. 2. The whole male whorl has a name. 3. That whorl is the androecium. _Source: OpenStax Biology 2e, Chapter 32, Plant Reproduction._

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More Biology topics

Agriculture EntrancePlant Reproduction