Browse and search thousands of solved questions for your preparation.
Free questions with full explanations — locked behind signup to protect quality.
Which one of the following is considered important in the development of seed habit?
Which one of the following is heterosporous?
In bryophytes, the gemmae help in which one of the following?
Which one of the following acids is a derivative of carotenoids?
Which classes of algae possess pigment fucoxanthin and pigment phycoerythrin, respectively?
The correct sequence of events in the life cycle of bryophytes is: A. Fusion of antherozoid with egg. B. Attachment of gametophyte to substratum. C. Reduction division to produce haploid spores. D. Formation of sporophyte.
If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?
Given below are the stages in the life cycle of pteridophytes. Arrange the following stages in the correct sequence: A. Prothallus stage B. Meiosis in spore mother cells C. Fertilisation D. Formation of archegonia and antheridia in gametophyte
Hydrocolloid carrageen is obtained from:
In oogamy, fertilization involves:
Which of the following is the correct match?
Sexual reproduction in Spirogyra is an advanced feature because it shows:
The phenetic classification of organisms is based on:
Identify the incorrect pair regarding the classification of Pteridophytes:
Cycas have two cotyledons but are not included in angiosperms because of:
A student observed algae with chlorophyll 'a', 'd', and phycoerythrin. It should belong to:
Water is essential for Bryophyta:
When one CO2 molecule is fixed, which of the following photochemically made, high energy chemical intermediates are used in the reduction phase of the Calvin cycle?
The products of light reaction in photosynthesis are:
In chloroplast, the highest number of protons are found in?