International 12th Class Biology Quiz Ranking Competition [May 2024]

Announcing the International 12th Class Biology Quiz Ranking Competition of 2024. Participate every month and become chance to #IAmRanker of your subjects.

Delve deep into the captivating world of biology! The International 12th Class Biology Quiz Ranking Competition of 2024 is calling all bio-enthusiasts to challenge and expand their biological acumen. Participate without any fees and engage with budding biologists from around the globe.

Time: 30 Minutes for 20 Question.

Class 12th Biology Quiz Contest [April 2024]

The number of attempts remaining is 1

1 / 20

1. The inheritance pattern of a gene over generations among humans is studied by the pedigree analysis. Character studied in the pedigree analysis is equivalent to:

Mendelian trait

polygenic trait

maternal trait

quantitative trait

2 / 20

2. Corpus luteum develops under the influence of

FSH

Estrogen

All of these

3 / 20

3. Both chasmogamous and cleistogamous flowers are present in

Helianthus

Lommelina

Rosa

Gossypium

4 / 20

4. Embryo sac is called monosporic when it develops from

One of the megaspores out of the four megaspores which are derived from division of megaspore mother cell

Three megaspores

Only from two functional megaspores

None of these

5 / 20

5. Top-shaped multiciliate male gametes and the mature seed which bears only one embryo with two cotyledons, are characteristic features of

cycads

conifers

polypetalous angiosperms

gamopetalous angiosperms

6 / 20

6. The membranous cover of the ovum at ovulation is

Corona radiata

Zona radiata

Zona pellucida

Chorion

7 / 20

7. If the mean and the median pertaining to a certain character of a population are of the same value, the following is most likely to occur

normal distribution

bi-modal distribution

T-shaped curve

skewed curve

8 / 20

8. Why is vivipary an undesirable character for annual crop plants?

It reduces the vigour of the plant

It adversely affects the fertility of the plant

The seeds exhibit long dormancy

The seeds cannot be stored under normal conditions for the next season

9 / 20

9. Intensely lactating mothers do not generally conceive due to the

Suppression of gonadotropins

Hyper secretion of gonadotropins

Suppression of gametic transport

Suppression of fertilisation

10 / 20

10. In angiosperms pollen tubes liberate their male gametes into the

central cell

antipodal cell

egg cell

synergid

11 / 20

11. The estrus cycle is a characteristic of

human males only

human females only

mammalian males other than primates

mammalian females other than primates

12 / 20

12. Which one of the following is the correct statement regarding the particular psychotropic drug specified?

Hashish causes alter thought perceptions and hallucinations

Opium stimulates nervous system and causes hallucinations

Morphine leads to delusions and disturbed emotions

Barbiturates cause relaxation and temporary Euphoria

13 / 20

13. There are various types of reproduction. The type of reproduction adopted by an organism depends on

The organism’s habitat, physiology and genetic makeup

Morphology and physiology of the organism

Morphology of the organism

The habitat and morphology of the organism

14 / 20

14. Spermiation is the process of the release of sperms from

Seminiferous tubules

Vas deferens

Epididymis

Prostate gland

15 / 20

15. If a genetic disease is transferred from a phenotypically normal but carrier female to only some of the male progeny, the disease is

Sex-linked recessive

Autosomal dominant

Sex-linked dominant

Autosomal recessive

16 / 20

16. If a colour-blind man marries a woman who is homozygous for normal colour vision, the probability of their son being colour-blind is

0.5

17 / 20

17. Which set is similar ?

Corpus luteum — Graafian follicle

Sebum — Sweat

Bundle of His — Pacemaker

Vit-B7 — Niacin

18 / 20

18. Which of the following represents the female gametophyte in angiosperms?

Embryo sac

Synergid

Endosperm

Embryo

19 / 20

19. It The cell division in secondary oocyte is suspended at

Metaphase II

Prophase II

None of these

20 / 20

20. Geometric representation of age structure is a characteristic of

biotic community

population

landscape

ecosystem

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Class 12th Biology Rankers of Feb 2024

Must Fill-up Google Form for Photo Ranking List

12th Biology Top Rankers of Feb 2024
Rank	Student Name	School
1	Prachi Karn	Not Available
2	Soni Jha	Not Available
3	Ayush Mishra	Not Available
4	Mukesh Sharma	Not Available
5	Deb Mishra	Not Available
6	SK Mohanty	Not Available
7	Anu Kumari	Not Available
8	Apoorva Jain	Not Available
9	Divjot Kaur	Not Available
10	Arvind Kumar	Not Available

Mizoram top rankers 2024

Andhra Pradesh Toppers 2024

All India CBSE Toppers 2024

Chhattisgarh toppers 2024

Eligibility Criteria for 12th Grade Quiz Competition:
Applicants must be currently attending the 12th grade or its international equivalent. A fervor for biology is the only other prerequisite.

Competition Format:
Test your mettle with a series of intriguing questions from various domains of biology, from genetics to ecology, showcasing your command over the subject.

Preparation Tips for the Biology Quiz Competition:

Thoroughly Review Your Syllabus: Immerse yourself in the 12th-grade biology curriculum, ensuring a clear understanding of each segment.
Dedicate Time for Chapter-wise Biology Quizzes: Benefit from regular quiz sessions, honing your knowledge and addressing weak points.
Collaborative Learning with Peers: Share chapter-specific quizzes with classmates for a wholesome competitive experience, amplifying your learning curve.

Prepare with diligence, and you’re on your way to shine in the International 12th Class Biology Quiz Ranking Competition of 2024. All the best!

Also other quiz competition for 2024

FAQ of Biology Quiz Competition

Q1. What is the essence of the International 12th Class Biology Quiz Ranking Competition of 2024?

A. It’s a global platform tailored for 12th graders to evaluate and enhance their understanding of biological concepts.

Q2. Who is eligible?

A. Anyone attending the 12th grade or its global equivalent with a penchant for biology can participate.

Q3. What’s the structure of the competition?

A. Conducted online, it will span across diverse biology topics from the 12th-grade curriculum. Post registration, detailed insights will be provided.

Q4. Are there accolades for exceptional performers?

A. The top 10 international achievers will list on our portal and social media page/group. Your name will visible permanently on international quiz portal.

Q5. Any study resources provided?

A. While we recommend going through your academic syllabus, you can also engage in our chapter-wise quizzes for an in-depth revision.

Q6. Can I participate with my friends as a team?

A. Although you can share and practice quizzes together, the main competition is structured for individual participants.

Q7. Are there restrictions on participant numbers from a country?

A. No boundaries! We encourage and welcome students from every corner of the world to join the International 12th Class Biology Quiz Ranking Competition of 2024.

About Us

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