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NEET Biology Model Test-10

NEET Biology Model Test-10

Question No:1
In the origin of life, microspheres are most primitive protobiont, which have a membrane of

[A] lipid and proteins
[B] lipid
[C] carbohydrates
[D] fats



Question No:2
Which of the following is a test cross?

[A] Ww x ww
[B] WW x ww
[C] Ww x Ww
[D] ww x ww



Question No:3
Which of the following cells are associated with identification of colours in bright light?

[A] Rod cells
[B] Cone cells
[C] Both (a) and (b)
[D] None of these



Question No:4
In India hot spot area is found in

[A] Western Himalaya
[B] Tropical Andes
[C] Madagascar
[D] Mesoamerica



Question No:5
G ↓ G A T C C
C C T A G ↑ G
Above diagram represent recognition site for

[A] Sca I
[B] Sma l
[C] EcoRI
[D] Bam HI



Question No:6
The chief component of the middle lamella in plant cell is:

[A] Potassium
[B] Calcium
[C] c) Magnesium
[D] d) Phosphorus



Question No:7
The least porous soil among the following is a:

[A] Loamy soil
[B] Silty soil
[C] Clayey soil
[D] Peaty soil



Question No:8
The function of vagus nerve innervating the heart is to:

[A] Initiate the heart beat
[B] Reduce the heart beat
[C] Accelerate the heart beat
[D] Maintain constant heart beat



Question No:9
If the pituitary gland of an adult rat is surgically removed, which of the following endocrine glands will be less affected?

[A] Adrenal cortex
[B] Adrenal Medulla
[C] Thyroid
[D] Gonads



Question No:10
Hydroxypyruvate in C-2 cycle formed in which cell orgenelle

[A] Chloroplast
[B] Mitochondria
[C] Peroxisome
[D] Vacoule



Question No:11
Competition of species leads to:

[A] Extinction
[B] Mutation
[C] Greater number of niches are formed
[D] Symbiosis



Question No:12
Which of the following first suggest the conservative model of DNA replication?

[A] Cairns
[B] Meselson and Stahl
[C] Watson and Crick
[D] Taylor



Question No:13
Late blight of potato is caused by:

[A] Phytophothora infestam
[B] Xanthomonas oryzae
[C] Puccinia graminis
[D] TMV



Question No:14
Expand ELISA:

[A] Enzyme linked immunosorbent assay
[B] Enzyme linked ion sorbent assay
[C] Enzyme linked inductive assay
[D] None of the above



Question No:15
What is the typical size of bacteria?

[A] 1-2 µm
[B] 2-3 µm
[C] 3-4 µm
[D] 0.1-1.0 µm



Question No:16
Of the total incident solar radiation, the proportion of PAR is

[A] About 70%
[B] About 60%
[C] Less than 50%
[D] More than 80%



Question No:17
How many pairs of gills are present in osteicthyes?

[A] 1
[B] (2) 2
[C] 3
[D] 4



Question No:18
The number of chromosome in meiocyte of dog

[A] 34
[B] 20
[C] 78
[D] 380



Question No:19
Hind limb of frog has how digits

[A] 3
[B] 4
[C] 5
[D] 6



Question No:20
Each eye of cockroach is consisting of about how many ommatidia?

[A] 1000
[B] 2000
[C] 4000
[D] 3000



Question No:21
Membrane-bound organelles are absent in

[A] Saccharomyces
[B] Nostoc
[C] Cladophora
[D] Plasmodium



Question No:22
Which one of the following pairs is incorrectly matched?

[A] Thyroid follicles-T3 and T4 (secretion)
[B] Somatostatin-Alpha cells (source)
[C] Corpus luteum-Relaxin (secretion)
[D] Insulin-Diabetes mellitus (disease)



Question No:23
The free-living, anaerobic nitrogen-fixer is

[A] Beijerinckia
[B] Rhodospirillum
[C] Rhizobium
[D] Azotobacter



Question No:24
Intra Uterine Devices (RJDs) from the following are

[A] CuT
[B] Cu7
[C] Multiload375
[D] All



Question No:25
The most important factor which determined the increase in human population in India during the 20th century is

[A] Natality
[B] b) Mortality
[C] Immigration
[D] Emigration



Question No:26
The transcription of any gene is the indication of its

[A] induction
[B] activity
[C] stimulation
[D] hypersensitivity



Question No:27
Scutellum in a caryopsis represents

[A] outermost layer of endosperm
[B] a sheath that protects the radical
[C] the place where the seed is attached to raphe
[D] a cotyledon



Question No:28
Comparing small and large cells, which statement is correct?

[A] Small cells have a small surface area per volume ratio
[B] Exchange rate of nutrients is fast with large cells
[C] Small cells have a large surface area per volume ratio
[D] Exchange rate of nutrients is slow with small cells



Question No:29
Insufficient quantities of ant diuretic hormone hi blood lead to

[A] diabetes mellitus
[B] glycosuria
[C] diabetes insipidus
[D] uremia



Question No:30
Which of the following event occurs during G1-phase?

[A] DNA replication
[B] Growth and normal function of cell
[C] Mutation
[D] Fertilization



Question No:31
Rabies is caused by

[A] Virus
[B] Bacteria
[C] Protozoa
[D] All of these



Question No:32
One gene—one enzyme hypothesis was propounded by

[A] Beadle and Tatum
[B] Louis Pasteur
[C] J B S Haldane
[D] None of the above



Question No:33
Which of the following defines Hardey Weinberg’s law?

[A] P2 + 2pq+q2=l
[B] P2 + 2pq + q2=l
[C] P2 + 2pq + q2 = 0
[D] q2+p2 + 2pq = 0



Question No:34
The thalloid body of a slime mould (Myxomycetes) is known as

[A] Protonema
[B] Plasmodium
[C] Fruiting body
[D] Mycelium



Question No:35
An example for symbiotic bacteria

[A] Erwinia amylovora
[B] Rhizobium legiiminosarum
[C] Xanthomonas campestris
[D] Agrobacterium tumefaciens



Question No:36
Tonoplast is a membrane surrounding the:

[A] Cytoplasm
[B] Vacuole
[C] Nucleus
[D] Mitochondria



Question No:37
In higher plants, the shape of the chloroplast is:

[A] Discoid
[B] Cup-shaped
[C] Girdle-shaped
[D] Reticulate



Question No:38
The size of pupil is controlled by the:

[A] Ciliary muscles
[B] Suspensory ligaments
[C] Cornea
[D] Iris muscles



Question No:39
If one litre of water is introduced in human blood, then:

[A] BMR increases
[B] RBC collapses and urine production increases
[C] RBC collapses and urine production decreases
[D] BMR decreases



Question No:40
How many genes are found in Drosophila Melanogaster?

[A] 30,000
[B] 18,000
[C] 13,000
[D] 4,000



Question No:41
Large unit of land having different types of plants and animals:

[A] Uniform vegetation
[B] Biome
[C] Ecosystem
[D] Niche



Question No:42
Lactic acid is formed in:

[A] Fermentation
[B] Glycolysis
[C] HMP pathways
[D] None of these



Question No:43
Tendril of Cucurbita and thorns of Bougainvillea are:

[A] Homologous organ
[B] Analogous organ
[C] Vestigial organ
[D] None of these



Question No:44
Internodes elongation is due to:

[A] Gibberellin
[B] b) Auxin
[C] Cytokinin
[D] d) Abscisic acid



Question No:45
How many metameric segments present in earthworm?

[A] 100-200
[B] 100-150
[C] 120-150
[D] 100-120