NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Epiphytes Multiple Choice Questions
MCQs on Epiphytes :
1. The presence of epiphytic roots is the characteristic feature of
(a) Cuscuta, in which haustoria is present
(b) Pinus, in which mycorrhizal association is present
(c) Orchids, in which velamen tissue is present
(d) Jussiaea, in which floating roots are present
Answer
Answer: (c)
2. Epiphytes like Vanda develop special layer of absorptive tissue velamen consisting of 4 or 5 layer os long polygonal cells. Velamen is formed by
(a) Stem
(b) Absorbing roots
(c) Hanging roots
(d) Clinging roots
Answer
Answer: (c)
3. A plant with epidermis specialised to absorb moisture from air is
(a) Rhizophora
(b) Jussiaea
(c) Vanda
(d) Avicennia
Answer
Answer: (c)
4. Outer covering of epiphytic root is
(a) Velamen
(b) Rhizophore
(c) Osmophore
(d) Pneumatophore
Answer
Answer: (a)
5. A root cap is not found in the root of
(a) Stilt root of Pandanus
(b) Seminal roots
(c) Hanging prop root of Banyan
(d) Epiphytic roots
Answer
Answer: (d)
6. This is a function of velamen
(a) transpiration
(b) exchange of gases
(c) absorption of moisture from air
(d) absorption of water from soil
Answer
Answer: (c)
7. Epiphyllous roots in Begonia and Bryophyllum are
(a) Modified leaves
(b) Green roots
(c) Roots arising from leaves
(d) Roots bearing stem
Answer
Answer: (c)
8. Aerial absorptive roots occur in
(a) Mesophytes
(b) Epiphytes
(c) Xerophytes
(d) Hydrophytes
Answer
Answer: (b)
9. This root modification does not store food
(a) Napiform
(b) Tuberous
(c) Stilt
(d) Conical
Answer
Answer: (c)
10. Identify the correct statement
(a) Velamen roots attach to the soil
(b) In Cuscuta, velamen roots are present
(c) Velamen roots are tap roots
(d) Velamen roots are living
Answer
Answer: (d)