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Organisms and Population Top 10 questions NEET/OUAT/ICAR Question 2021 -...

ORGANISM AND POPULATION TOP 10 QUESTIONS - BIOLOGY ADDA BY KAIBALYA

   TOP 10 QUESTIONS ORGANISM AND POPULATION

 1.Carnivarous animal lions and leopards occupy the same niche but lion predate only larger animals and leopard takes smaller one . This mechanism of competition refers to as (ODISHA 2019)-

 a)Character displacement

 b)Altruism

 c)Resource partioning

 d)Competitive exclusion

2.Natality refers to (2018)-

 a)Birth rate

 b)Death rate

 c)Number of individual leaving the habitat

 d)Number of individual entering the habitat

3.Pneumatophores occurs in (2018)-

 a)Halophyte

 b)Free floating hydrophyte

 c)Carnivarous Plant

 d)Submerged hydrophyte

4.Niche is (2018)-

 a)All the biological factor in the organism environment

 b)The physical space where organism lives

 c)The range of temp that organism needs to live

 d)The functional role played by the organism where it lives

5. Between which among the following relationship is not an example of commensalism-

 a)Orchid and the tree which it grows

 b)Cattle egret and grazzing cattle

 c)Sea anemone and clwon fish

 d)Female wasp and fig species 

6.In a growing population of a country -

 a)Pre reproductive individual are more than the reproductive individuals 

 b)Reproductive individual are less than the post reproductive individuals 

 c)Reproductive = pre reproductive

 d)Pre reproductive < Reproductive 

7.Which one of the following plants show a very close relationship with a species of moth where none of the two can complete it's life cycle without the other -

 a)Hydrilla 

 b)Yucca

 c)Banana

 d)Viola

8.Which of the population interaction is widely used in medical science for production of antibiotics -

 a)Commensalism

 b)Mutualism 

 c)Parasitism

 d)Ammensalism 

9.Asymptote in a logistic growth curve is obtained when 

 a)K=N

 b)K>N

 c)K<N

 d)Value of r approches to 0

10.Plant which produce characterstics Pneumatophore and show vivipary belong to -

 a)Halophytes

 b)Psammophytes

 c)Hydrophytes

 d)Mesophytes 

ANSWERS - 

1.C

2.A

3.A

4.D

5.D

6.A

7.B

8.D

9.A

10.A

  

PLANT KINGDOM DPP NCERT BIOLOGY ADDA BY KAIBALYA - NEET/ICAR/OUAT 2021

                                        PLANT KINGDOM DPP

1.Aritificial system of classification was based on -

  a)Vegetative characters

  b)Androecium structure

  c)Habit and habitat

  d)All of these

ANSWER - All of these (D) 

2.__________ system classification system based upon evolutionary relationship.

  a)Natural

  b)Artificial

  c)Phylogenetic

 d)All of the above

ANSWER - Phylogenetic (C)

3.The sporophytic phase in funaria is well developed and composed of - 

  a)Capsule only

  b)Spore sac

  c)Foot and capsule

  d)Foot , seta , capsule

ANSWER - Foot , seta , capsule

4.Peat obtained from sphagnum are used as

 a)fuel

 b)Manure

 c)Corrosive

 d)Both a and b

ANSWER - Both A and B

5.Gametophyte generation is dominant in -

  a)Gymnosperm

  b)Angiosperm

  c)Bryophyte

  d)Pteridophyte

ANSWER - Bryophyte(C)

6.Types of reproduction in volvox

  a)Isogamous

  b)Anisogamous

  c)Oogamous 

  d)All 

ANSWER - Oogamous (C)

7.Phycoerythrin is found in -

  a)Euglena

  b)Polysiphonia

  c)Chlmydomonas 

  d)Fucus

ANSWER - Polysiphonia (B)

8.Haplodiplontic lifecycle is found in -

  a)Bryophyte

  b)Pteridophyte

  c)Fungi

  d)Both a and b

ANSWER - Both a and b (D)

9.Laminarin and mannitol the reserve food of brown algae-

  a)Lipids

  b)Proteins 

  c)Complex carbohydrates

  d)Lipo proteins

ANSWER - Complex carbohydrates (C)

10.Asexual reproduction in liverwort takes place by - 

  a)Fragmentation

  b)Gemme formation

  c)Spore formation

  d)None 

ANSWER - Fragmentation(A)

 KAIBALYA NAYAK . ALL THE BEST.

Human Reproduction DPP on Male reproductive system - Biology Adda by Kaibalya

                                   MALE REPRODUCTIVE SYSTEM 

1.Semen is formed by secretion of - 

  a)Testes and epididymis

  b)Seminal Vesicle and bulbourethral gland

  c)Prostate gland 

  d)All the above

ANS- All the above (D)

2.Sertoli cell is found in -

 a)Uriniferous tubule

 b)Seminiferous tubule

 c)Both A nd B

 d)Rete testes

ANS -  Seniferous tubule (B)

3.Amdrogen is secreted by - 

 a)Ledyg cell

 b)Intestinal cell

 c)Vas deference

 d)Seminiferous tubule

ANS - Ledyg cell (A)

4.Bulbourethral gland is also known as -

 a)Prostrate gland

 b)Cowper's gland

 c)Seminal Vescile

 d)All

ANS - Cowper's Gland(B)

5.In human testes outside the abdominal cavity-

 a)Scrotum

 b)Inguinal Canal

 c)Abdominal sac

 d)Both A and C

ANS - Scrotum (A)

6.Help to nourish sperm-

 a)Sertoli cell

 b)Ledyg cell

 c)Germ cell

 d)All the above

ANS- Sertoli cell(A)

7.Sperms are stored and nourished in - 

 a)Testes

 b)Vasa efferentia

 c)Epididymis

 d)Spermatic Cord

ANS- Epididymis(C)

8.Primary sex organ - 

 a)Penis 

 b)Prostrate

 c)Testes

 d)Scrotum

ANS - Testes(C)

9.Asessory sex organ - 

 a)Breast

 b)Beared

 c)Testes

 d)Vasa deference

ANS - Vasa deference (D)

10.Favourable condition for sperm production -

 a)2 degree celsius

 b)35 degree celsius

 c)37 degree celsius

 d)39 degree celsius

ANS - 35 degree celsius(B)

11.In man two vasa deference opens into-

 a)Urinary Bladder

 b)Rectum

 c)Urethra

 d)Penis 

ANS-Urethra(C)

12.Seminiferous tubules are found in -

 a)Testes

 b)Ovary

 c)Kidney

 d)Lung

ANS- Testes (A)

13.Which cell in the testes secrets binding protein - 

 a)Leydig cell

 b)Germ cell

 c)Sertoli cells

 d)Spermatogonia

ANS - Sertoli cells(C)

14.Which glands secrets alkaline juice for lubrication-

 a)Seminal Vesicle

 b)Prostate Gland

 c)Bulbourethral gland

 d)All 

ANS - Bulbourethral gland(C)

15.The sperms become motile in human being-

 a)Seminiferous Tubule

 b)Vasa Deference

 c)Epididymis

 d)Testes 

ANS - Epididymis (C)

16.Prostrate gland present at -

 a)Penis 

 b)Kidney 

 c)Testes

 d)Urethra

ANS- Urethra(D)

17.Number of Testicular lobes in testes - 

 a)250

 b)300

 c)500

 d)750

ANS- 500(C)

18.The duct that leave the testes and open into epididymis is - 

 a)Vasa efferentia

 b)Vasa deference

 c)Rete testes

 d)Seminal Vescicle

ANS-Vasa efferentia(A)

19.Ejaculatory duct open into -

 a)Ureter

 b)Urethra

 c)Testes

 d)Penis

ANS - Urethra(B)

20.The enlarged end part of penis is called -

 a)Glance Penis

 b)Prepuse

 c)Clitoris

 d)Glans Penis

ANS - Glans penis (D)

Hi this is Kaibalya Nayak . This is the DPP on Human reproduction on the topic Male Reproductive system . I have collected some questions from my Biology educator of Baibhav kumar sir so some  credit goes to him . I will give his unacademy profile link below you may check him. All the best.

👇

https://unacademy.app.link/QnJXxJl4r4

NCERT EXEMPLAR- BIOLOGICAL CLASSIFICATION NEET/ICAR/OUAT NEET2021- KAIBA...