National Eligibility and Entrance Test Biology question papers free download in PDF f

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Question 1: Members of kingdom Protista are/have

(a) Free nucleic acid aggregates

(b) Membrane bound nucleoproteins lying embedded in the cytoplasm

(c) Genes containing nucleoproteins

(d) Nucleoprotein in direct contact with the rest of the cell substance

Question 2: A monochlamydeous flower with endospermic seeds and small embryo be kept in which of the following series of Bentham and Hooker?

(a) Curvembryae

(b) Microembryae

(c) Microspermae

(d) Calycinae

Question 3: A fibrous root system is better adapted than tap root system for

(a) Storage of food

(b) Anchorage of plant to soil

(c) Absorption of water and minerals

(d) Transport of water and organic food

Question 4:

Vascularisation in plants occurs through

(a) Differentiation of procambium followed by primary phloem and then primary xylem

(b) Differentiation of procambium followed by development of xylem and phloem

(c) Simultaneous differentiation of procambium, xylem and phloem

(d) Differentiation of procambium is immediately followed by development of secondary xylem and secondary phloem

Question 5: A woman with two genes, one for haemophilia and one for colour blindness on one of its
X-chromosomes, marries a normal man. The progeny will be

(a) All sons haemophilic and colour blind

(b) 50% haemophilic and colour blind sons and 50% normal sons

(c) All daughters haemophilic and colour blind

(d) 50% haemophilic daughters and 50% colour blind daughters

Question 6: Which of the following has extensive use in genetic engineering work in plants?

(a) Xanthomonas citri

(b) Agrobacterium tumefaciens

(c) Clostridium septicum

(d) Bacillus coagulens

Question 7: Even after killing the generative cell with a laser beam, the pollen grain of flowering plant germinates and produces normal pollen tube because

(a) Laser beam stimulates pollen germination and pollen tube growth

(b) Laser beam does not damage the region from which the pollen tube emerges

(c) The contents of killed generative cell permit germination and pollen tube growth

(d) The vegetative cell has not been damaged

Question 8: Limnetic zone is

(a) The shallow water zone around the edge of lake which supports rooted vegetation

(b) The open water zone beyond the littoral zone

(c) The zone where light does not reach

(d) Both (a) and (b)

Question 9: IUCN stands for

(a) International Union of Chemical Nomenclature

(b) International Union of Conservation of Nature

(c) International Union of Conservation of Nature and Natural Resources

(d) All of these

Question 10: MAB is

(a) Man and Botany

(b) Man and Biosphere

(c) Man and Biotic community

(d) Man, Antibiotic and Bacteria

National Eligibility and Entrance Test Biology question papers

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