NEET Biology Model Test-8
Question No:1Which of the following classification is based on some morphological characters?
[A] Artificial
[B] Natural
[C] c) Phylogenetic
[D] Both (b) and (c)
Question No:2
The process of joining of amino acids is called
[A] Transcription
[B] Translation
[C] Conjugation
[D] None of these
Question No:3
Which one is used in the production of insulin by genetic engineering?
[A] Eschereria coli
[B] Mycobacterium
[C] Both (a) and (b)
[D] None of these
Question No:4
Which of the following enzyme helps in digesting protein in stomach?
[A] Trypsin
[B] Pepsin
[C] Ptyalin
[D] Rennin
Question No:5
Which of the following products now a day’s prepared by recombinant DNA
[A] Erythropoietin
[B] Interferons
[C] Interleukins
[D] All of these
Question No:6
Etiolation in plants is caused when:
[A] They are grown in dark
[B] They have mineral deficiency
[C] They are grown in intense light
[D] They are grown in blue light
Question No:7
Electroporation involves:
[A] Promotion of seed germination by induced imbibition of water with electric current
[B] Making transient pores in cell membrane to facilitate entry of gene constructs
[C] Purification of saline water with the help of an artificial membrane
[D] Passage of sucrose through sieve pores by electro-osmosis
Question No:8
The larva of Bombyx mori is known as:
[A] Nymph
[B] Trochophore
[C] Cocoon
[D] Caterpillar
Question No:9
Aedes aegypti is a vector for:
[A] Both dengue and yellow fever
[B] Dengue fever
[C] Yellow fever
[D] Japanese encephalitis
Question No:10
The science of ageing is referred as
[A] Anthropology
[B] Chronology
[C] Gerontology
[D] Ctetology
Question No:11
Fat storing granules are:
[A] Elaioplast
[B] Amyloplast
[C] Aleuroplast
[D] None of these
Question No:12
Fertilization of sperm and ova takes place in:
[A] Ampulla of oviduct
[B] Isthmus of oviduct
[C] Fimbrae of oviduct
[D] None of the above
Question No:13
Protein deficiency leads to:
[A] Kwashiorkar
[B] Marasmus
[C] Cretinism
[D] Both (a) & (b)
Question No:14
Turner syndrome is:
[A] XO
[B] b) XXY
[C] XXX
[D] d) XYY
Question No:15
How many pair of gill slits are present in class from which Hagfish belongs 3-15
[B] 4-15
[C] 5-15
[D] 6-15
Question No:16
Any mineral ion concentration in the tissue that reduces the dry weight of tissue by about ______ per cent is considered to be toxic,
[A] 20
[B] 10
[C] 5
[D] 30
Question No:17
Some interesting aspects of about earth’s biodiversity are based on the currently available species inventories. More than _______ percent of all the species recorded are animals,
[A] 50
[B] 60
[C] 70
[D] 90
Question No:18
How many chitinous teeth are present in gizzard of cockroach?
[A] 3
[B] 6
[C] 8
[D] 10
Question No:19
Keel in a pea flower is formed by how many petals?
[A] 1
[B] 2
[C] 3
[D] 5
Question No:20
The ventral portion of the mid brain consists of how many round swelling (lobes)?
[A] 2
[B] 4
[C] 0
[D] 3
Question No:21
Phloem of gymnosperm contain
[A] sieve tubes
[B] albuminous cells
[C] companion cells
[D] tracheids
Question No:22
Widal test is used for the diagnosis of
[A] Malaria
[B] AIDS
[C] Plague
[D] Typhoid
Question No:23
Potato spindle tuber disease is caused by
[A] virus
[B] viriods
[C] fungi
[D] bacteria
Question No:24
Select the total number from the following which have one ovule in an ovary? wheat, watermelon, papaya, paddy, mango, orchid
[A] 2
[B] 3
[C] 1
[D] 4
Question No:25
Mark the odd one.
[A] Endometrium
[B] Corpus luteum
[C] Acrosome
[D] Graafian follicle
Question No:26
Walter Sutton is famous for his contribution to
[A] Genetic engineering
[B] Totipotency
[C] Quantitative genetics
[D] Chromosomal theory of inheritance
Question No:27
Taxonomic hierarchy refers to
[A] step-wise arrangement of all categories for classification of plants and animals
[B] a group of senior taxonomists, who decide the nomenclature of plants and animals
[C] a list of botanists or zoologists, who have worked on taxonomy of a species or group
[D] classification of a species based on fossil record
Question No:28
Which of the following is a Gram negative bacterium?
[A] Escherichia coli
[B] Bacillus subtilis
[C] Streptomyces coelicolor
[D] Ampycolatopsis orientalis
Question No:29
How many bio-geographical regions are present in India?
[A] 3
[B] 4
[C] 7
[D] 10
Question No:30
The basic unit of study in Ecology is
[A] population
[B] organism
[C] community
[D] species
Question No:31
Sweet potato and potato are examples of
[A] Homologous structure
[B] Analogous structure
[C] Both (a) and (b)
[D] None of the above
Question No:32
The infective stage of Plasmodium vivax is
[A] sporozoite
[B] gametocyte
[C] trophozoite
[D] cryptozoite
Question No:33
The synthesis of complex molecules from simple molecules was proved by
[A] Arrhenius
[B] Pasteur
[C] Stanley Miller
[D] Redi
Question No:34
The Leydig cells secrete
[A] estrogen
[B] testosterone
[C] progesterone
[D] cortisol
Question No:35
In which plant terminal leaflets are modified into curved hooks for helping the plant in climbing
[A] Argemone
[B] Opuntia
[C] Bignonia unguis-cati
[D] Ficus
Question No:36
Calorie is the unit of:
[A] Sound
[B] Temperature
[C] Light
[D] Heat
Question No:37
One of the following acts as secondary pollutant:
[A] Br2
[B] Cl2
[C] NO2
[D] HNO3
Question No:38
Which of the following is a viviparous fish?
[A] Exocoetus
[B] Gambusia
[C] (e) Clarias
[D] Labeo
Question No:39
Inadequate protein intake leads to kwashiorkor. The subsequent edema is most closely related to inadequate synthesis of which protein?
[A] Gamma globulin
[B] Glucagon
[C] Insulin
[D] Albumin
Question No:40
The extent of which ion accumulation in guard cells determines the size of the stomatal opening
[A] sodium ion
[B] Potassium ion
[C] Chloride ion
[D] Calcium ion
Question No:41
Sub units in prokaryotic ribosomes are:
[A] 60S-40S
[B] 50S-30S
[C] 40S-30S
[D] 50S-20S
Question No:42
Rr/rr progeny: Red (dominant) flowered heterozygous crossed with white flower:
[A] 350 -> red: 350 -> white
[B] 450 -> red: 250 -> white
[C] 380 -> red: 320 -> white
[D] None of the above
Question No:43
Chloride shift in respond to:
[A] HCO–3
[B] K+
[C] H+
[D] Na+
Question No:44
Operon concept was proposed by:
[A] Jacob and Monod
[B] b) David Baltimore
[C] Allec Jaffery
[D] d) None of the above
Question No:45
How much % of angiosperm pollen grains sheds at 2-celled stage?
[A] >40
[B] >50
[C] >60
[D] >70