Showing posts with label class12-Biology. Show all posts
Showing posts with label class12-Biology. Show all posts

Monday 29 January 2024

Class 12 Biology Multiple Choice Questions (2023-24)- SOLVED #class12Biollogy #eduvictors

Class 12 Biology Multiple Choice Questions (2023-24)- SOLVED 

Class 12 Biology Multiple Choice Questions (2023-24)- SOLVED #class12Biollogy #eduvictors


Class 12 Biologists, assemble! Gear up for these MCQs and unleash your mastery of the living world. Prepare to navigate the depths of cellular secrets, unravel the tapestry of ecosystems, and conquer the wonders of evolution. Let's dive in!


Q1. An infertile couple was advised to undergo In vitro fertilization by the doctor. Out of the options given below, select the correct stage for transfer to the fallopian tube for successful results?

(a) Zygote only

(b) Zygote or early embryo up to 8 blastomeres

(c) Embryos with more than 8 blastomeres

(d) Blastocyst Stage

Tuesday 11 July 2023

Biology Quiz 26 - How well do you understand health? #biologyquiz #eduvictors #neetbiology

Biology Quiz 26 -  How well do you understand health?

Biology Quiz 26 - How well do you understand health? #biologyquiz #eduvictors #neetbiology

Understand its definition and learn more about the different dimensions of health.

Monday 23 January 2023

Class 12 Biology: How do we conserve biodiversity? Chapter: Biodiversity and Conservation #biodiversity #class12biology #eduvictors

Class 12 Biology: How do we conserve biodiversity? 

Chapter: Biodiversity and Conservation

Class 12 Biology: How do we conserve biodiversity?  Chapter: Biodiversity and Conservation #biodiversity #class12biology #eduvictors

Question: How do we conserve biodiversity?

Answer: Primarily two approaches are followed i.e.

1. In Situ conservation

2. Ex Situ conservation

Monday 25 July 2022

What is Life Span? - Class 12 Biology - Reproduction in Organisms #eduvictors #class12Biology

What is Life Span? - Class 12 Biology - Reproduction in Organisms

What is Life Span? - Class 12 Biology - Reproduction in Organisms #eduvictors #class12Biology


The period from birth to the natural death of an organism represents its life span. The lifespan of an organism is not necessarily correlated with its body size, it can vary from less than one day to more than 400 years. Irrespective of the long or short lifespan of an organism, death is a certain phenomenon, i.e. no individual is immortal, except for single-celled organisms like Amoeba.

Friday 1 July 2022

Class 12 Biology - Human Reproduction (Questions and Answers) Part-1 #class12Biology #eduvictors #HumanReproduction

Class 12 Biology - Human Reproduction (Questions and Answers) Part-1

Class 12 Biology - Human Reproduction (Questions and Answers) Part-1 #class12Biology #eduvictors #HumanReproduction


Q1(NCERT). Fill in the blanks.

(a) Humans reproduce _____________________. (asexually/sexually)

(b) Humans are _____________________. (oviparous, viviparous, ovoviviparous)

(c) Fertilisation is _____________________ in humans. (external/internal)

(d) Male and female gametes are _____________________. (diploid/haploid)

(e) Zygote is _____________________. (diploid/haploid)

(f) The process of release of ovum from a mature follicle is called _____________________.

(g) Ovulation is induced by a hormone called _____________________.

(h) The fusion of male and female gametes is called _____________________.

(i) Fertilisation takes place in _____________________.

(j) Zygote divides to form _____________________ which is implanted in the uterus.

(k) The structure which provides a vascular connection between the foetus and uterus is called _______.

Thursday 23 June 2022

Class 12 - Biology - Strategies for Enhancement in Food Production (MCQs) #class12Biology #eduvictors #NEET #biology

 Class 12 - Biology - Strategies for Enhancement in Food Production (MCQs)

Class 12 - Biology - Strategies for Enhancement in Food Production (MCQs) #class12Biology #eduvictors #NEET #biology


Q1(AIPMT 2010). Breeding of crops with high levels of minerals, vitamins and proteins is called

(a) Somatic hybridization 

(b) Biofortification

(c) Biomagnification 

(d) Micropropagation

Monday 20 June 2022

Class 12 Biology - Evolution - Multiple Choice Questions #NEET #cass12Biology #eduvictors

Class 12 Biology - Evolution - Multiple Choice Questions

Class 12 Biology - Evolution - Multiple Choice Questions #NEET #cass12Biology #eduvictors


Q1. When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed as

(a) microevolution 

(b) co-evolution

(c) convergent evolution 

(d) divergent evolution

Thursday 16 June 2022

Class 12 Biology - Molecular Basis of Inheritance (MCQs) #class12Biology #NEET #eduvictors

Class 12 Biology - Molecular Basis of Inheritance (MCQs)

Class 12 Biology - Molecular Basis of Inheritance (MCQs) #class12Biology #NEET #eduvictors

Q1(NEET 2017). The final proof for DNA as the genetic material came from the experiments of 

(a) Griffith

(b) Hershey and Chase

(c) Avery, MacLeod and McCarty

(d) Har Gobind Khorana


Monday 13 June 2022

Class 12 Biology - Principles of Inheritance and Variation - Multiple Choice Questions (MCQs) #class12Biology #NEET #eduvictors

Class 12 Biology - Principles of Inheritance and Variation - Multiple Choice Questions (MCQs) 

Class 12 Biology - Principles of Inheritance and Variation - Multiple Choice Questions (MCQs) #class12Biology #NEET #eduvictors


Q1. In Mendel’s experiments with the garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), and yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY × rryy?

(a) Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons.

(b) Only round seeds with green cotyledons.

(c) Only wrinkled seeds with yellow cotyledons.

(d) Only wrinkled seeds with green cotyledons.

Friday 10 June 2022

Class 12 Biology - Reproductive Health (MCQs) #biologyMCQs #NEET #eduvictors

Class 12 Biology - Reproductive Health (MCQs)

Class 12 Biology - Reproductive Health (MCQs) #biologyMCQs #NEET #eduvictors


Q1. From the sexually transmitted diseases mentioned below, identify the one which does not specifically affect the sex organs–

(a) Syphilis

(b) AIDS

(c) Gonorrhea

(d) Genital warts

Monday 6 June 2022

Class 12 Biology - Human Reproduction (MCQs) #class12Biology #BiologyMCQs #NEET #eduvictors

Class 12 Biology - Human Reproduction (MCQs)

Class 12 Biology - Human Reproduction (MCQs) #class12Biology #BiologyMCQs #NEET #eduvictors


Q1. Seminal plasma in humans is rich in

(a) fructose and calcium 

(b) glucose and calcium

(c) Progesterone and testosterone 

(d) potassium and calcium