A. Mircophylly
B. Pneumatophores and vivipary
C. Absence of aerenchyma
D. Poor water storage
Correct Answer: Pneumatophores and vivipary ✔
Last Updated: May 22, 2024
Related MCQs
- Mark the rooted submerged hydrophyte:
- The mesophytes are characterised by:
- Plant groups growing in zones where high temperature alternates with low temperature are called:
- In which of the following groups, all the plants belong to the same category?
- The leaves are absent in the xerophyte:
- Which of the following feature is found in xerophytes?
- When a plant first begins to wilts permanently in a pot, its 54.5 gms of soil has 4.5 gms of water. The PWP of this soil is:
- Euhalophytes grow where the concentration of NaCl ranges:
- Plants growing on sand and gravel are called:
- Which of the following is a mangrove plant?
- Mark the free floating hydrophyte:
- Magnolia and oaks occur in the following zone:
- Mark the true xerophyte:
- The temperature based zone at an altitude of 10,000 is:
- The orange and red wave lengths of light are able to penetrates in a sea upto a depth of:
- The alpine forests are classed under the plant group called:
- The heliophytes are characterised by:
- When a plant of hot climate is transferred to colder regions, it gets an injury called:
- In western Himalayas, the Betula trees usually occur in:
- The heliophytes possess:
- Flowering is induced if germinating seeds are exposed to:
- The composition of soil air is affected by:
- Albido value refers to:
- Plants growing near the sea whore are generally resistant to:
- The albido value of a forest is around:
- Plants growing in rock crevices are called:
- The equatic thermal strata where no temperature gradients are observed is called:
- The ultraviolet radiations are able to peretreate in a sea as deep as:
- The optimum temperature for seedling growth in the upper gangetic plains is around:
- The facultative heliophytes are infact:
- The heliophytes are characterised by:
- The classification of plant groups on the basis of temperature differentiating four zone such as megatherms was proposed by:
- Which of the following is a short day plant?
- The percentage of argon in the atmosphere is:
- The percentage of light from total solar input utilized by plants:
- Plants growing in alpine zone are dwarf due to:
- According to Geiger, the percentage of light reflected by the clouds is:
- An anatomical features, which exclusively develops to counter high velocity of wind:
- According to Mc Dougal, the parasitism caused due to fungi and bacteria represent a symbiotic relationship which is:
- The air density is maximum:
- The relationship between a climber and the host corresponds to:
- Flag trees’ are formed due to:
- Plants growing on burnt soil are called:
- The lichens show a mutualistic relationship originating from:
- The advantage/s of fire:
- The seeds of Rhus can endure a temperature as high as:
- Odum did not recognise the following relationship as a positive interaction:
- The zone of soil showing microbial activity around the roots of higher plants is called:
- The term symbiosis was proposed by:
- The device or structure where plants are grown in a controlled environment:
- When one population is harmed and the other remains unaffected the relationship is called: