Tag: botany

Quizzes (264) Questions (5276)

Questions Related to botany

Multiple choice botany seeds - structure and germination what is a seed? seeds seed

Caryopsis fruit is found in

  1. Wheat

  2. Pea

  3. Gram

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

Caryopsis fruit is found in a wheat. A caryopsis is a type of simple dry fruit one that is monocarpellate, indehiscent and resembles an achene, except that in a caryopsis, the pericarp is fused with the thin seed coat. The caryopsis is popularly called as a grain and is the fruit typical of the family Poaceae.
Thus, the correct answer is option A.

Multiple choice botany seeds - structure and germination what is a seed? seeds seed

Orchid seeds are

  1. Large and sticky

  2. Small and hairy

  3. Small and light

  4. Large and heavy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Orchid seeds are small, light and contain little food reserves. A single seed capsule may contain1,500 to 3,000,000 seeds. Orchid seeds are small, dry, dusty and weighing as little as 0.004 mg.
So, the correct answer is 'small and light'

Multiple choice botany seeds - structure and germination what is a seed? seeds seed

A berry fruit is

  1. Fleshy and single seeded

  2. Fleshy and multiseeded

  3. Dry and multiseeded

  4. Dehiscent and single seeded
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A berry fruit is fleshy and multiseeded. Berry is a fleshy fruit produced from a single flower and containing one ovary. Grapes and bananas are two common examples. The berry is the most common type of fleshy fruit in which the entire ovary wall ripens into an edible pericarp. They may have one or more carpels. The seeds are usually embedded in the fleshy interior of the ovary, but there are some non-fleshy exceptions, such as peppers, that have air rather than pulp around their seeds.
Thus, the correct answer is option B.

Multiple choice botany seeds - structure and germination what is a seed? seeds seed

An example of monocot plant

  1. Coconut

  2. Almond

  3. Sunflower

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

The coconut tree is in the family of palm trees, and palm trees are monocotyledons. Almonds, mango and sunflower are dicots. 

Therefore, the correct answer is option A.

Multiple choice botany seeds - structure and germination what is a seed? seeds seed

Arrange the following in the order of their location from periphery to centre in the entire dicotyledonous plant body ______________.

  1. Fusiform cells

  2. Trichoblasts

  3. Collocytes

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

Trichoblasts are specialized epidermal cells (root hairs) found at the periphery of the root, while other structures like fusiform cells or tyloses are located deeper within the plant axis.

Multiple choice botany seeds - structure and germination what is a seed? seeds seed

Non-essential for seed germination is

  1. Light

  2. Water

  3. Air

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

Seeds germinate in the presence of warmth, moisture and air. No light is needed for germination. Seeds generally contain starch as food supply. So, light is not needed for food production also during germination.

So, the correct answer is 'Light'

Multiple choice botany seeds - structure and germination what is a seed? seeds seed

In which of the following plants, cotyledons form the first pair of leaves?

  1. Maize

  2. Castor

  3. Rice

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

If food is stored inside the endosperm then the cotyledons become small and thin. Such seeds are called as endospermic seeds or albuminous seeds. For example, maize, wheat and other cereals, castor bean seeds and coconut seeds.
So, the correct answer is 'Castor'

Multiple choice botany seeds - structure and germination what is a seed? seeds seed

In which of the following, the seed germinates and still attached with the main plant?

  1. Mango

  2. Rhizophora

  3. Neem

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

Viviparous plants produce seeds that germinate before they detach from the parent plant. In Rhizophora (mangroves), the seed germinates and develops into the seedling when it still attached to the parent plant
So, the correct answer is 'Rhizophora'

Multiple choice botany seeds - structure and germination what is a seed? seeds seed

After preparing a transverse section out of a cut piece of a
plant axis, it was seen that it has a C shaped open arch of
end arch collateral vascular bundles with secondary growth.
This indicates that it is a transverse section of _______________.

  1. A dicotyledonous petiole

  2. A dicot stem at the node

  3. A dicot root at the point where a root branch is corning out

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

A C-shaped vascular bundle arrangement is characteristic of the petiole in dicotyledonous plants, which supports the leaf blade.