Home
Class 12
BIOLOGY
Some plants flower only once in their li...

Some plants flower only once in their life, generally after 50-100 years. They produce a large number of fruits and die

A

Strobilanthus kunthiana

B

Bamboo

C

Callistemon linearis

D

Cymbopogon reptocus.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Plants which flower only once are

[A] : Some plants flower only in summers & some only in winters. [R]: Such plants require specific photoperiods tor flowering.

The given diagram shows the carpel of a flowering plant. After fertilization , many structures undergo change to produce parts of fruit/seed. Fruit wall, embryo, endosperm and seed coat are shown in the diagram labelled respectively as

A pea plant with purple flowers was crossed with white flowers producing all 50 plants with only purple flowers. On selfing, these plants produced 482 plants with purple flowers and 162 with white flowers. What genetic mechanism accounts for these results? Explain.

A dicotyledonous plant bears flowers but never produces fruits and seeds. The most probable cause for the above situation is

There are 100 students in a class. In an examination, 50 of them failed in Mathematics, 45 failed in Physics, 40 failed in Biology and 32 failed in exactly two of the three subjects. Only one student passed in all the subjects. Then the number of students failing in all the three subjects_____

In Mirabilies jalapa when two F_(1) pink flowered plants were corossed with each other, the F_(2) generation produced 40 red, 80 pink and 40 white flowering plants. This is a case of

There are 100 students in a class . In a examination, 50 of them failed in Mathematics , 45 failed in Physics, 40 falled in Biology and 32 failed in exactly two of the three subjects .Only one student passed in all the subjects .Then the number of students failing in all the three subjects

Suppose we consider a large number of containers each containing initially 10000 atoms of radioactive material with a half-life of 1 year. After 1 year, (A) All containers will have 5000 atoms (B) All the containers will contain the same number of atoms but that number will only be approximately 5000. (C) The containers will in general have different numbers of the atoms but their average will be close to 5000. (D) None of the containers can have more than 5000 atoms.

Identify the wrong pair of statements I. Number of stamens in 5 flowers of Allium is equal to those in 5 flowers of Solanum II. The microporangia of Hibiscus and Asparagus are having 80 pollen grains each. Then the ratio of number of pollen grains produced from each stamen of these two plants in 1:1 III. The ratio of number of stamens in the flowers of Pisum and Datura is 2:1 IV. The number of carpels in a flower of Smilax is equal to carpels in cyathium inflorescence.