The diameter of clay particle is?
A) Less than 0.002mm
B) More than 0.002mm
C) More than 0.02mm
D) None of these
Grain crop most sensitive to soil acidity is?
A) Wheat
B) Barley
C) Oats
D) Paddy
Which is the most drought resistant crop?
A) Sorghum
B) Wheat
C) Pearlmillet
D) Peas
What is used for reclamation of usar soil?
A) Superphosphate
B) Bone meal
C) Gypsum
D) Lime
Islets of Langerhans are found in?
A) Australia
B) Pancreas
C) Ovary
D) Liver
Antidiuretic hormone (ADH) is?
A) Gastrin
B) Pancreozymin
C) Testosterone
D) Vassopressin
Who propounded recapitulation theory?
A) Lamarck
B) Haeckel
C) Miller
D) Darwin
Most effective fertiliser for acid soil is?
A) Rock phosphate
B) DAP
C) SSP
D) None of these
In what form Zinc is absorbed by plants?
A) Zn+
B) Zn++
C) Zn+++
D) None of these
Body cavity of Hydra is called?
A) Hydrocoel
B) Haemocoel
C) Coelom
D) Coelenteron
Anal cerci are found?
A) Only in male Ascaris
B) Only in male cockroach
C) Only in female cockroach
D) Both in male and female cockroach
Ommatidia are found in the eyes of?
A) Amphibians
B) Insects
C) Birds
D) Mammals
Which insect produces wax?
A) Honey bee
B) Termite
C) Lac insect
D) Locust
Vitamin necessary for blood clotting is?
A) A
B) B
C) C
D) K
The placentation of compositae is?
A) Marginal
B) Parietal
C) Axile
D) Basal
A distinct monocot character shown by the flowers of Liliaceae is?
A) Hypogynous flower
B) Actinomorphic flower
C) Trimerous flower
D) Bisexual flower
The coleoptile in grass seedling is?
A) Radicle
B) Plumule
C) Cotyledon
D) Sheath around emerging leaf
Flagellated larva of Leucosolenia is called?
A) Planula
B) Parenchymula
C) Hydrula
D) Amphiblastula
Which one is not a variety of potato?
A) Kufri Naveen
B) Kufri Alankar
C) Kufri Kundan
D) Kufri Kumar
Tapping and Desuckering is done in?
A) Cotton
B) Tobacco
C) Potato
D) Gram
Guineng percent in cotton means?
A) Percentage of cotton fuzz
B) Percentage of cotton seed
C) Percentage of cotton fibre
D) Percentage of thread in cotton fibre
Contour farming means?
A) Growing crops on levelled strips
B) Growing crops on land of same elevation
C) Growing crops across the slope
D) Growing crops parallel to the slope
The process of fastening a plough to the yoke is called?
A) Centering
B) Joining
C) Hitching
D) Connecting
Deficiency of what element causes ‘Whip Tail’ disease in cauliflower?
A) Boron
B) Iron
C) Molybdenum
D) Zinc
Water requirement of dwarf wheat is?
A) 10-15 cm/ha
B) 25-30 cm/ha
C) 60-70 cm/ha
D) 70-80 cm/ha
Agronomy means?
A) Crop management
B) Crop husbandry
C) Soil & Crop management
D) Soil management
Maize belongs to the family?
A) Poaceae
B) Brassicaceae
C) Asteraceae
D) Fabaceae
Which crop has maximum production in India?
A) Rice
B) Wheat
C) Jowar
D) Maize
Which is mismatched?
A) Lepidoptera – Butterfly
B) Hemiptera – Termite
C) Coleaptera – Beetle
D) Apteriygata – Lepisma
In insects, stomach is a part of?
A) Fore gut
B) Mid gut
C) Hind gut
D) Proventriculus
The sowing time of pearl millet is?
A) June
B) July
C) August
D) September
The sowing time of berseem is?
A) August
B) October
C) December
D) February
Nipping in gram is done to?
A) Retard vegetative growth
B) Induce branching
C) Encourage early flowering
D) All of the above
Sprouting of potato under storage conditions is due to?
A) Auxin
B) Gibberellin
C) Ethyline
D) Cytokinin
A gene is mainly or entirely made up of?
A) Protein
B) DNA
C) Carbohydrate
D) Amino acids
Some flowers open during the day and close at night. This is known as?
A) Photolaxy
B) Photonasty
C) Phototropism
D) Photoperiodism
Study of fishes and fish culture is known as?
A) Herpetology
B) Helminthology
C) Ophiology
D) Ichthyology
Woodpecker bird belongs to the order?
A) Strigiformes
B) Piciformes
C) Coraciformes
D) Falconiformes
Tuber of Solanum tuberosum is?
A) Tap root
B) Modified stem
C) Lateral root
D) Root cap
Inflorescence of mustard plant is?
A) Solitary
B) Racemose
C) Panicle of spikelets
D) Cymose
Cross pollination is done by?
A) Pollen of the same flower
B) Pollen of another flower
C) Pollen of different plant
D) Without pollen
Radial vascular bundle is found in?
A) Monocot stem
B) Dicot stem
C) Roots
D) Leaf
The spines of fruits of Trapa are modified?
A) Sepals
B) Petals
C) Stamens
D) Styles
Identify rainy season Onion variety from the following?
A) N-53
B) NP-46
C) Pusa Rubi
D) Pusa Kesar
Identify the common edible part of sweet potato for human consumption?
A) Leaf
B) Stem
C) Root
D) None of these
Identify the bulb crop in the following?
A) Onion
B) Sweet potato
C) Ginger
D) Potato
Identify the cole crop in the following?
A) Knol-Khol
B) Onion
C) Turnip
D) Carrot
What is the family of Musk melon?
A) Cucurbitaceae
B) Umbeliferae
C) Liliaceae
D) Cruciferae
Using two pairs – tall and dwarf and smooth and wrinkled seeds, the principle of independent assortment of characters is proved by the?
A) Observation that F1 progeny is tall
B) Appearance of tall and dwarf in 3:1 ratio and also the appearance of smooth and wrinkle seeded plants in 3:1 ratio in F2
C) Appearance of tall and dwarf in F2 population
D) Appearance of smooth and wrinkle seeded plants in F2 population
Competition for food, light and space is most severe between plants?
A) Closely related species growing in the same habitat
B) Closely related species growing in different habitat
C) Distantly related species occupying the same habitat
D) Distantly related species occupying different habitats
Lysosomes are the store house of?
A) ATP
B) Hydrolytic enzymes
C) Fats
D) Glycoproteins
The genetic systems in prokaryotes and in eukaryotes?
A) Are similar and enclosed in nuclei
B) Are not similar but enclosed in nuclei in both
C) Differ in one respect that the prokaryotes lack histones which are always found in eukaryotes
D) Differ in Several respects
The presence of DNA in mitochondria and in chloroplasts supports the hypothesis that?
A) Glycolysis occurs in both mitochondria and chloroplast
B) Mitochondria and chloroplast both originated as independent free-living organisms
C) ATP is produced in both
D) Mitochondria and chloroplast undergo meiosis and mitosis, independently
The strongest evidence that DNA is the genetic material comes from?
A) The fact that chromosomes are made of DNA
B) Studies on the transformation of bacterial cells
C) The knowledge that DNA is present in nucleus
D) That DNA has the power to duplicate itself
Meiosis involves?
A) One division of nucleus and one division of chromosome
B) One division of nucleus and two divisions of chromosomes
C) Two divisions of nucleus and two divisions of chromosomes
D) Two divisions of nucleus and one division of chromosomes
The resin duct of a gymnospermous stem is an example of?
A) Intercellular space
B) Schizogenous cavity
C) Lysogenous cavity
D) Big vacuole
A pome fruit is said to be false because?
A) Its pericarp is inconspicuous
B) Its endocarp is cartilaginous
C) Its actual fruit is located within an edible fleshy thalamus
D) It develops from an inferior ovary
The three sub-families of leguminosae are distinguished mainly on the basis of?
A) Nature of gynoecium
B) Nature of corolla and stamens
C) Nature of habit of the plants
D) Nature of fruits
If osmotic potential of a cell is “–10 bars” and its pressure potential is +5 bars, its water potential would be?
A) –5 bars
B) +5 bars
C) –10 bars
D) +15 bars
Post anal tail is not found in?
A) Amphioxus
B) Frog
C) Birds
D) Cockroach
Which of these hormones stimulates lactation at the time of breast feeding?
A) Oxytocin
B) Relaxin
C) Prolactin
D) Progesterone
Mulching is a process that helps in?
A) Moisture conservation
B) Weed control
C) Soil fertility
D) Improvement of soil structure
Heterophyllous plants are found as?
A) Free floating hydrophytes
B) Submerged hydrophytes
C) Rooted and floating hydrophytes
D) Halophytes
The diatoms do not easily decay like most of the other algae because?
A) They have highly siliceous wall
B) They are non-living
C) They have water proof cells
D) Their walls are mucilaginous
Which of these arteries carries impure blood?
A) Carotid
B) Brachial
C) Pulmonary
D) Gonadial
Which of these has the thickest wall?
A) Left auricle
B) Left ventricle
C) Right auricle
D) Right ventricle
Intercalated discs are found in?
A) Cardiac muscles
B) Skeletal muscles
C) Smooth muscles
D) All muscles
Which is not found in birds?
A) Syrinx
B) Preen glands
C) Urinary bladder
D) Heterocoelous vertebrae
Which nephridia of earthworm is exonephric?
A) Pharyngeal
B) Integumentary
C) Septal
D) None of the above
In plants, a common symptom caused by deficiency of P, K, Ca, and Mg is?
A) Bending of leaf tip
B) Formation of anthocyanin
C) Poor development of vasculature
D) Appearance of dead necrotic areas
Hill reaction is concerned with production of?
A) Reducing agent like TPNH2 or NADPH2 and oxygen from H2O in chloroplast
B) Oxygen due to photolysis in chloroplast
C) Reducing agent and A.T.P. in chloroplast
D) Reducing agent and A.T.P. in mitochondria
Edible part of cauliflower is?
A) Leaf
B) Head
C) Curd
D) Inflorescence
An apparatus commonly used to demonstrate phototropism is?
A) Heliotropic chamber
B) Clinostat
C) Arc auxanometer
D) Photometer
The most important growth stage of wheat for irrigation is?
A) Crown root initiation
B) Maximum tillering
C) Jointing
D) Boot leaf stage
Life originated in?
A) Precambrian
B) Coenozoic
C) Mesozoic
D) Palaeozoic
Plants differ from animal in?
A) Having cell membrane
B) Being autotrophic
C) Absence of movements
D) Absence of growth
The cell to cell continuity is maintained by?
A) Middle lamella
B) Thickening of lignin
C) Plasmodesmata
D) Cell membrane
Which of these is the exclusive feature of class mammalia?
A) Warm blooded
B) Four chambered heart
C) Internal fertilization
D) Muscular diaphragm
Archaeopteryx is the connecting link between?
A) Amphibia and Reptilia
B) Reptilia and Aves
C) Reptilia and Mammalia
D) Aves and Mammalia
Juvenile hormone or neotenin is secreted by?
A) Corpora allata
B) Corpora cardiaca
C) Prothoracic gland
D) Neurosecretory cells
Rhabdome is found in the eyes of?
A) Mollusc
B) Frog
C) Rabbit
D) Insects
Which is the main feature of axis vertebra?
A) Sigmoid notch
B) Olecranon fossa
C) Odontoid process
D) Vertebraterial canal
Identify the vegetable which is richest in iron?
A) Fenugreek leaf
B) Spinach leaf
C) Onion leaf
D) Coriander leaf
Which one in the following fruit and vegetable is the richest source of Vitamin A?
A) Carrot
B) Pumpkin
C) Pea
D) Apple
Black heart in Cauliflower is caused by deficiency of?
A) Boron
B) Zinc
C) Copper
D) Molybdenum
Legume vegetables are known for their richness in?
A) Protein
B) Carbohydrates
C) Fat
D) Water contents
Which of the following vegetable needs very low temperature/snowfall for its seed production?
A) All varieties of cauliflower
B) All varieties of cabbage
C) All varieties of carrot
D) All varieties of spinach
The following implement is suitable for pulverizing the soil before sowing?
A) Disk plough
B) Mouldboard plough
C) Roller
D) Disk harrow
Which of the following is an exotic breed of goat?
A) Alpine
B) Pashmina
C) Black Bengal
D) Malabari
Which of the following is the best source of phosphorus to animals?
A) Barley grain
B) Til cake
C) Mollasses
D) Wheat bran
Which of the following is the best source of carbohydrate?
A) Ammonium Sulphate
B) Urea
C) Biuret
D) Molasses
Body part which is not found in buffalo?
A) Brisket
B) Udder
C) Dewlap
D) Naval flap
The hypodermis in monocot stem is?
A) Parenchymatous
B) Chlorenchymatous
C) Collenchymatous
D) Sclerenchymatous
In which of the following tree there is no differentiation of bark, sapwood, and heartwood?
A) Ashok
B) Neem
C) Mango
D) Datepalm
An aquatic plant with floating leaf have?
A) Stomata
B) Stomata on petiole only
C) Stomata on upper surface
D) Stomata on lower surface
Mustard family is?
A) Graminae
B) Malvaceae
C) Cruciferae
D) Leguminaceae
Five out of twenty plants obtained by selfing a red flower plant were having white flower, this is an indication that the plant is?
A) Homozygous
B) Heterozygous
C) Homogenous
D) Heterogenous
If a heterozygous tall plant is crossed with homozygous dwarf plant, the proportion of dwarf progeny would be?
A) 50%
B) 25%
C) 75%
D) 10%
Soil particles arranged in order of increasing size are?
A) Sand-Silt-Clay
B) Clay-Sand-Silt
C) Silt-Clay-Sand
D) Clay-Silt-Sand
The layer of cells between endodermis and vascular bundle is known as?
A) Pericycle
B) Cortex
C) Pith
D) Epidermis

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