Hii this is Kaibalya Nayak from Biology Adda by Kaibalya , going to share some mixed bag Biology questions which will be helpful for NEET , ICAR , OUAT , KCET and manymore state level exams.
Q1. Sickle cell anaemia is most resistant to
a: Malaria
b: Filaria
c: Dengue
d: Chicken pox
Answer: Malaria (A)
Q2. Which of the following ecosystem has very little primary productivity
a: Forest
b: River
c: Sea
d: Grassland
Answer: River (B)
Q3. Poikilotherms are also known as
a: Isotherm
b: Ectotherm
c: Endotherm
d: Heterotherm
Answer: Ectotherm (B)
Q4. Casparian strips are present in the ________ of the root.
a: epiblema
b: cortex
c: perycycle
d: endodermis
Answer: Endodermis (D)
Q5. BT brinjal is an example of transgenic crops. In this, BT refers to
a: Bacillus tuberculosis
b: Biotechnology
c: Betacarotene
d: Bacillus thuringiensis
Answer: Bacillus thuringiensis (D)
Q6. Which one of the following is NOT a method of soil conservation?
a: Overgrazing
b: Mulching
c: Strip cropping
d: Crop rotation
Answer: Overgrazing (D)
Q7. ___________ is a gaseous plant hormone
a: IBA
b: Ethylene
c: Abscisic acid
d: NAA
Answer: Ethylene (B)
Q8. The leaf defoliator utilized in the Vietnam war by the USA known as “Agent Orange” was
a: 2,4, -D and 2,4,5 – T
b: Ethylene
c: 2,4, -D and NAA
d: 2,4,5 – T, ethylene and NAA
Answer: 2,4 D and 2,4,5 T (A)
Q9.‘New Systematics’ term was coined by
a: Linnaeus
b: Bentham and Hooker
c: A.P. de Candolle
d: Juliane Huxley
Answer: Juliane Huxley (D)
Q10. Nature of honey is
a: Acidic
b: Alkaline
c: Neutral
d: Turns basic after a few days
Answer: Acidic (A)
Q11. Which of the following is not true about hydroponics?
a: Requires high investment
b: Technical knowledge required
c: Can be misused to cultivate banned crops
d: Plants through hydroponics cannot be cultivated everywhere
Answer: Plant through hydroponics cannot be cultivated everywhere (D)
Q12. Mitochondria is the site for
a: Calvin cycle
b: Kreb's cycle
c: Hill reaction
d: Glycolysis
Answer: Kreb's Cycle (B)
Q13. Which of the following would be in insignificant amount in xylem sap?
a: Nitrates
b: Phosphates
c: Water
d: Sugar
Answer: Sugar (D)
Q14. Name the following having oxygen storing capacity
a: Myoglobin
b: Prophase II
c: Anaphase I
d: Metaphase II
Answer: Myoglobin (A)
Q15. Nosema bombycis which causes pebrine in silk worms is a
a: Bacterium
b: Virus
c: Protozoan
d: Fungus
Answer: Protozoan (C)
All the Best . Jay Jagannath.
Link of another DPPhttps://biologyaddabykaibalya.blogspot.com/2020/10/important-full-syllabus-biology-dpp-for.html?m=1
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