Science (English Medium) Class 12 - CBSE Question Bank Solutions for Biology

Which of the following pair has haploid structures?

Chief pollinators of agricultural crops are ______.

Anemophily type of pollination is found in ______.

Both chasmogamous and cleistogamous flowers are present in ______.

Even in absence of pollinating agents seed-setting is assured in ______.

Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in ______.

Feathery stigma occurs in ______.

Plants with ovaries having only one or a few ovules are generally pollinated by ______.

Which of the following is not a water pollinated plant?

Triple fusion in Capsella bursa pastoris is fusion of male gamete with ______.

Which of these is a condition that makes flowers invariably autogamous?

Heterostyly as a contrivance for cross-pollination is found in ______.

In some plants anther and stigma mature at the same time this condition is called ______.

The flower which possesses both androecium and gynoecium is called perfect or ______.

Which of the following plant contain unisexual flower?

During Hybridization process anther of the bisexual flower is removed before it dehisces is called ______.

Insect pollinated flowers are ______.

Which type of flower has ovary superior?

The flower which does not open at all are called ______.

Which one of these statements is incorrect?

The following statements seem to describe the water-pollinated submerged plants.