Tag: germination

Quizzes (1) Questions (69)

Questions Related to germination

Multiple choice botany the flower pollination and its types germination sexual reproduction in plants

Plants are able to produce fruits with the help of insects as they are

  1. Help in aestivation

  2. Help in pollination

  3. Help to overcome dormancy

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Many flowers produce nectar, a sugary liquid that many insects eat. When an insect lands on a flower to feed, pollen grains stick to its body. As the insect moves to another flower of the same species, these pollen grains are transferred to the flower's stigma and pollination occurs. After pollination, the plants produce fruits.

So, the correct answer is 'Help in pollination',

Multiple choice botany reproduction in angiospermic plants pollination and its types germination sexual reproduction in plants

The flower of which of the following plant is zygomorphic?

  1. Bean

  2. Datura

  3. Mustard

  4. Canna
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
A flower can be cut into two equal parts vertically in one direction is called zygomorphic flower.

Bean - zygomorphic flower
Datura - actinomorphic flower
Mustard - actinomorphic flower
Canna - asymmetric flower

So, the correct option is 'Bean'.
Multiple choice botany the flower pollination and its types germination sexual reproduction in plants

Which of the following plant had developed an obligate symbiotic relationship with a moth called Tagetecula, in relation to pollination

  1. Amorphophallus

  2. Ficus

  3. Salvia

  4. Yucca
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yucca plant has developed an obligate symbiotic relationship with a moth called Tagetecula, in relation to pollination. Neither the yucca or the moth can survive without the other. The moth’s larvae depend on the seeds of the yucca plant for food, and the yucca plant can only be pollinated by the moth. 


So, the correct option is 'Yucca'.

Multiple choice biology the flower pollination and its types germination sexual reproduction in plants

Select erroneous pair


(A) Sweet potato - Bisexual flower
(B) Castor - Endospermic seed
(C) Vallisneria - Monoecious
(D) Zostera - Hypo hydrophily
(E) Poppy - multi carpellary apocarpous gynoecium.

  1. A & B

  2. B & D

  3. C & E

  4. A & D
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sweet potato is a root tuber, not a flower; Castor has endospermic seeds; Vallisneria is dioecious; Zostera is marine and exhibits epi-hydrophily. The pair A and D contains errors.

Multiple choice biology the flower pollination and its types germination sexual reproduction in plants

................... is not unisexual flower.

  1. Coconut

  2. Papaya

  3. Gulmohar

  4. Water-melon
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Unisexual flowers only have either the gynoecium or the androecium. Example of unisexual flowers are : Coconut, Papaya, Watermelon.

Bisexual flowers have both gynoecium and androecium.
Examples of bixesual flowers are : Hibiscus, Gulmohar, etc.
So the correct answer is ' Gulmohar'.

Multiple choice biology the flower pollination and its types germination sexual reproduction in plants

Which of the following is not an unisexual flower ? 

  1. Coconut

  2. Papaya

  3. Gulmohor

  4. Maize
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 A flower that possesses either stamens or carpels but not both. are called a unisexual flower. coconut, maize, and papaya are unisexual flowers because at their development stage they either posses stamen or carpels. so, 'the correct option is Gulmohar'.

Multiple choice biology the flower pollination and its types germination sexual reproduction in plants

Choose odd one w.r.t. sexuality.

  1. Coconut

  2. Cucurbits

  3. Chara

  4. Papaya
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Monecious Plants (mono meaning one) have male and female reproductive organs on the same plant. In other words, they are hermaphrodites. The organs may or may not be on the same flower (i.e. the flowers can be perfect or imperfect. Eg. Coconut, cucurbits, chara, etc. 

Dioecious Plants (di meaning two) have either male OR female flowers (not both). As a result, plants are either male OR female. Imperfect flowers only. Eg. Papaya, cannabis, etc. 

So, the correct option is 'Papaya'. 

Multiple choice biology the flower pollination and its types germination sexual reproduction in plants

Flowers which have stamens and pistils are called as

  1. Incomplete flowers

  2. Complete flowers

  3. Unisexual flowers

  4. Homosexual flowers
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

  1. A flower that lacks one or two of the four whorls is an incomplete flower.
  2. A complete flower has all four whorls calyx, corolla, stamens, and pistil are present.
  3. A unisexual flower has one of the reproductive organ either stamen or pistil is present.
  4. Homosexual flowers are not probable
So the correct option is "Complete flowers".