Corollaloid root of Cycas is useful in :
- ✓$N _2$-fixation
- BAbsorption of water
- CTranspiration
- DIn stabilisation
Answer: A.
View full solution →100 questions across 9 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.
M.C.Q (1 Marks)
32 Q→021 Marks Question
28 Q→032 Marks Questions
7 Q→043 Marks Question
1 Q→05Case study (4 Marks)
4 Q→065 Marks Questions
3 Q→07Fill In The Blanks.
10 Q→08True False[1 Marks ]
10 Q→09Match the following.
5 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: A.
View full solution →Answer: A.
View full solution →Answer: B.
View full solution →Answer: C.
View full solution →Answer: D.
View full solution →| Column-I | Column-II |
| A. Homozygous | (i) Volvox |
| B. Heterozygous | (ii) Natural Classification |
| C. Joseph Dalton | (iii) Spirogyra |
| D. Kelp | (iv) Giant Algae |
| Column-I | Column-II |
| A. Selaginella | (i) Sphenopsida |
| B. Equisetum | (ii) Mosses |
| C. Protonemmа | (iii) Phaeophyceae |
| D. Gametes pear shaped | (iv) Heterospores |
| Column-I | Column-II |
| A. Fungal root | (i) Egg set |
| B. Coral root | (ii) Cycas |
| C. Triple fusion | (iii) Angiosperm |
| D. Egg cell | (iv) Pinus |
| Column-I | Column-II |
| A. Mannitol, Lamirin | (i) Rhodophyceae |
| B. Phycoerythrin | (ii) Chlorophycсае |
| C. Chlorophyll a, b | (iii) Phaeophyceae |
| D. Amphibians | (iv) Bryophyte |
| Column-I | Column-II |
| A. Psilotum | (i) Alga |
| B. Cycas | (ii) Bryophyte |
| C. Sphagnum | (iii) Pteridophyte |
| D. Polysiphonia | (iv) Gymnosperm |
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