Hii this is Kaibalya Nayak from Biology adda by Kaibalya going to share an important DPP contains 20 biology questions which is important for NEET , ICAR , OUAT , KCET and many exams . All the best . Do share this with your friends.
Q1. Mitotic stages are not observed in ________.
a: Cosmarium
b: E.coli
c: Saccharomyces
d: Chlorella
Answer: E coli( B)
Q2. Mannitol is
a: Amino Acid
b: Amino alcohol
c: Sugar alcohol
d: Sugar acid
Answer : Sugar Alcohol (C)
Q3. Example of water soluble plant pigment is
a: Chlorophyll-a
b: Chlorophyll-b
c: Anthocyanin
d: Xanthophyll
Answer : Anthocyanin (C)
Q4. Banana bunchytop virus is transmitted through
a: Pentalonia nigronervosa
b: Aedes aegypti
c: Culex sp
d: Agribacterium sp
Answer : Pentalonia bunchytop (A)
Q5. According to Darwin, evolution is _______.
a: a slow, gradual and continuous process.
b: a sudden but discontinuous process.
c: a slow and discontinuous process.
d: a slow, sudden and discontinuous process.
Answer : a slow , gradual and continuous process(A)
Q6. Sporopollenin, a chemical substance is found in _______.
a: Exine of pollen grain
b: Intine of pollen grain
c: Tapetum of anther
d: Endothecium of anther
Answer : Exine of pollen grain (A)
Q7. Vessels and tracheids are absent in _______.
a: Equisetum
b: cycas
c: Gnetum
d: Marsilea
Answer: Cycas (B)
Q8. Classification given by Bentham and Hooker is
a: Artificial
b: Natural
c: Phylogenetic
d: Numerical
Answer: Natural (B)
Q9. Which of the following responsible for the mechanical support , protein synthesis and enzyme transport
a: Cell membrane
b: Mitochondria
c: Centriole
d: ER
Answer: ER (D)
Q10. Wharton's duct is the duct of
a: Sub mandibular salivary gland
b: Parotid gland
c: Submaxillary gland
d: All of these
Answer: Sub mandibular salivary gland (A)
Q11. Exchange of gases in alveoli ofl ungs takes place through
a: Osmosis
b: Simple diffusion
c: Active transport
d: Passive transport
Answer: Simple Diffusion (B)
Q12.Glucose and amino acids are reabsorbed in the
a: PCT
b: DCT
c: Collecting duct
d: Loop of henle
Answer: PCT (A)
Q13. Bowman's gland are located in
a: Anterior pituitary
b: Female reproductive system of cockroach
c: Olfactory epithelium of our nose
d: Proximal end of uriniferous tubule
Answer: Olfactory epithelium of our nose (C)
Q14. Diabetes insipidus occurs due to hyposecretion of
a: Thymosine
b: Oxytocin
c: Insulin
d: Vasopressin
Answer: Vasopressin (D)
Q15. Which type of selection is industrial melanism observed in moth
a: Stabilizing
b: Directional
c: Disruptive
d: Artificial
Answer : Direction (B)
Q16. Darwin's finches are found in
a: Galapagos Island
b: Tahiti
c: Tundra
d: None of these
Answer: Galapagous island (A)
Q17. In malignant tumors cells proliferate , grow rapidly and move to other parts of body to form tumors. This stage is called
a: Metagenesis
b: Metastasis
c: Teratogenesis
d: Mitosis
Answer: Metastasis (B)
Q18. The term Totipotency refers to capacity of a
a: Cell to generate whole plant
b: Seed to germinate
c: Bud to generate whole plant
d: Cell to enlarge in size
Answer: Cell to generate whole plant (A)
Q19. A population has more young individuals than old , so what would be the status of population after some years
a: It will decline
b: It will stabilize
c: It will increase
d: It will first decline then stabilize
Answer: It will increase (C)
Q20. Many freshwater animals cannot live for long in sea water and vice versa because of
a: Change in N level
b: Change in level of thermal tolerance
c: Variation in light intensity
d: Osmotic problems
Answer: Osmotic problems (D)
HAVE A NICE DAY. JAY JAGANNATH.
The authorities are expected to announce the KCET result 2021 a few days after the exam is conducted. Candidates will be able to access their result online through the official website by logging in using their registration number and password. The result shall contain the subject wise as well as the total score obtained by candidates in KCET 2021. The marks obtained in the exam will be the basis for further admissions.
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