“Alphanso” variety of mango is mostly grown in the state of ……………….
A) Punjab
B) Bihar
C) Maharashtra
D) West Bengal
Explanation: The Alphonso mango is primarily grown in the state of Maharashtra.
Vitamin containing cobalt as a constituent is ………………….
A) B2
B) B6
C) B1
D) B12
Explanation: Vitamin B12 contains cobalt as a constituent.
Which of the following is a milk protein ………………………….
A) Lactin
B) Galactose
C) Casein
D) Collagen
Explanation: Casein is the primary protein found in milk.
Which of the following antibiotic is produced from bacteria ………………………
A) Penicillin
B) Bacitracin
C) Tetracycline
D) Neomycin
Explanation: Penicillin is produced from the mold Penicillium, which is a type of fungi, not bacteria; however, Bacitracin is produced from Bacillus subtilis, a bacterium.
Which of the following is a free living nitrogen fixing organism ………………………
A) Rhizobium
B) Azorhizobium
C) Azospirillum
D) Azotobacter
Explanation: Azotobacter is a free-living nitrogen-fixing bacterium.
Dark reaction of Calvin cycle takes place in ………………
A) Thylakoids
B) Stroma
C) Cristae
D) Fret work
Explanation: The dark reactions of the Calvin cycle occur in the stroma of chloroplasts.
Exanthema of citrus is due to the deficiency of …………………….
A) Zn
B) Cu
C) Mn
D) Fe
Explanation: Exanthema of citrus is associated with copper deficiency.
Malathion is a ……………….
A) Chlorinated hydrocarbon
B) Organophosphate
C) Carbamate
D) Pyrethroid
Explanation: Malathion is classified as an organophosphate insecticide.
Dwarfing gene in wheat is ……………………….
A) Norin-10
B) Dee-gee-woo-gen
C) GH 23
D) None
Explanation: Norin-10 is a dwarfing gene used in wheat breeding.
Dead heart in sugarcane is due to ……………….
A) Shoot borer
B) Top borer
C) Internode borer
D) None
Explanation: Dead heart in sugarcane is primarily caused by the shoot borer.
Regression coefficient varies between ……………..
A) - a to + a
B) 0 to 1
C) -1 to +1
D) 0 to a
Explanation: The regression coefficient can vary between -a to +a, indicating a range of potential values.
Single stranded DNA is present in …………..
A) ø X 174
B) Reo virus
C) CMV
D) Polio Virus
Explanation: The bacteriophage ø X 174 contains single-stranded DNA.
Mass flow plays role in the transport of …………….
A) P
B) Ca
C) K
D) Zn
Explanation: Mass flow is significant in the transport of calcium (Ca).
Soil transported through wind is ……………………..
A) Alluvial soil
B) Colluvial soil
C) Aeolian soil
D) Moraine
Explanation: Soil transported through wind is classified as Aeolian soil.
Which of the following is a self indicator?
A) KMnO4
B) Na2CO3
C) EDTA
D) Litmus
Explanation: KMnO4 (Potassium permanganate) acts as a self-indicator.
Example of a CAM plant is …………………….
A) Pine apple
B) Citrus
C) Apple
D) Cynodon
Explanation: Pineapple is an example of a CAM (Crassulacean Acid Metabolism) plant.
Bird eye grass is ………………..
A) Cynodon
B) Cyperus
C) Echinochloa
D) Phalaris
Explanation: Bird eye grass refers to Echinochloa species.
First hybrid of pegion pea in the world is ……………
A) ICPH-8
B) ICPH – 10
C) Pusa Arhar
D) Pusa HR-1
Explanation: ICPH-8 is recognized as the first hybrid of pigeon pea.
Solar treatment is used for ………………
A) Loose smut
B) Stem rust
C) Powder mildew
D) Blast
Explanation: Solar treatment is effectively used for managing loose smut.
Gullies with more than 18 mt bed width and up to 3mt depth are ………………..
A) Small
B) Very small
C) Medium
D) Deep and Narrow
Explanation: Gullies with the specified dimensions are classified as small.

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