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

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

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

Class 9 - Biology - Multiple Choice Questions (2022-23) #class9Biology #BiologyQuiz #cbsenotes #eduvictors

 Class 9 - Biology - Multiple Choice Questions (2022-23)

1. Who discovered cell?

a) Robert Hooke

b) Robert Brown

c) Anton Leeuwenhoek

d) Schleiden & Schwann

Biology Quiz 5 - What is Dendrochronology? #NEET #class12Biology #Class9Biology #Biochemistry #class11Biology #Botany #Class10Biology

 Biology Quiz 5 - What is Dendrochronology? 

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

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

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

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

Class 12 Biology - Evolution - Multiple Choice Questions

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

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

Class 12 Biology - Molecular Basis of Inheritance (MCQs)

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

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) 

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.

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

Class 12 Biology - Reproductive Health (MCQs)

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

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

Class 12 Biology - Human Reproduction (MCQs)

Q1. Seminal plasma in humans is rich in

(a) fructose and calcium 

(b) glucose and calcium

(c) Progesterone and testosterone 

(d) potassium and calcium

Class 12 Biology - Sexual Reproduction in Flowering Plants (MCQs) #class12Biology #NEET #eduvictors

Class 12 Biology - Sexual Reproduction in Flowering Plants (MCQs)

Q1. In a cereal grain, the single cotyledon of the embryo is represented by

(a) coleoptile 

(b) coleorhiza

(c) scutellum 

(d) hypocotyl

Q2(NEET 2020). Vegetative propagule in Agave is termed as:

(a) rhizome 

(b) bulbil

(c) offset 

(d) eye

Class 12 Biology - Chapter: Reproduction in Organisms (MCQs) #reproduction #biologyMCQs #class12Biology #eduvictors

Class 12 Biology - Chapter: Reproduction in Organisms  (MCQs) 

Q1(NEET 2018). Which of the following flowers only once in its lifetime?

(a) Bamboo species 

(b) Mango

(c) Jackfruit 

(d) Papaya

Class 12 Biology - Biotechnology and Its Applications (MCQs) #biotechnology #biologyMCQs #class12Biology #eduvictors

Class 12 Biology - Biotechnology and Its Applications (MCQs)

Q1(NEET 2021): A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is:

(a) degenerate primer sequence

(b) Okazaki sequences

(c) palindromic nucleotide sequence

(d) poly(A) tailsequence

Class 12 Biology - Biotechnology: Principles and Processes (MCQs) #biologyQuiz #Biotechnology #eduvictors

Class 12 Biology - Principles and Processes (MCQs)

Q1: The linking of antibiotic resistance gene with the plasmid vector became possible with

(a) DNA polymerase 

(b) exonucleases

(c) DNA ligase 

(d) endonucleases

Class 12 Biology -Human Health and Diseases (MCQs) #class12Biology #BiologyMCQs #eduvictors

Class 12 Biology -Human Health and Diseases (MCQs)

Q1: The organisms which cause diseases in plants and animals are called:

(a) Pathogens 

(b) Vectors

(c) Insects 

(d) Worms

Q2: The sporozoites that cause infection, when a female Anopheles mosquito bites a person, are formed in:

(a) Liver of the person

(b) RBCs of mosquito

(c) Salivary glands of the mosquito

(d) Intestine of mosquito

Class 12 Biology - Microbes in Human Welfare (MCQs) #biologyquiz #class12Biology #NEET #eduvictors

Class 12 Biology - Microbes in Human Welfare (MCQs)

Q1: A common biocontrol agent for the control of plant diseases is

(a) baculovirus 

(b) Bacillus thuringiensis

(c) Glomus 

(d) Trichoderma

Q2: Methanogens do not produce 

(a) oxygen 

(b) methane

(c) hydrogen sulfide 

(d) carbon dioxide

Class 12 Biology - Organisms and Population MCQs #biologyquiz #class12Biology #eduvictors

Class 12 Biology - Organisms and Population MCQs

Q1. A majority of organisms that are restricted to a narrow range of temperature are called as

(a) stenothermal 

(b) endothermal

(c) ectothermal 

(d) eurythermal

Biology Quiz - 6 (#NEET)(#premedical)(#AIPMT)(#class12Biology)(#eduvictors)(#class11Biology)(#class12Biology)

Biology Quiz - 6 

Q1: Which of the following statements is wrong for viroids?

(a) They cause infections.

(b) Their RNA is of high molecular weight.

(c) They lack a protein coat.

(d) They are smaller than viruses.

Biology: Know Your Vitamin Quiz (#biology)(#NEET)(#PreMedical)(#Class12Biology)(#compete4exams)(#eduvictors)

Know Your Vitamins Quiz

1. What is the source of Vitamin A in Leafy vegetables?

2. Which Vitamin is known as the anti-infetive vitamin

3. Which Vitamin is used for ELISA test (AIDS)?

4. Which Vitamin contains Cobalt?

CBSE Class 9 - Biology - Animal Tissues (MCQs)(#class9Biology)(#eduvictors)(#animaltissues)

Animal Tissues (MCQs)

CBSE Class 9 - Biology

Read the question carefully and choose the correct option from the choices given.

Q1: The tissue responsible for movement in our body is

      (A) connective tissue 

      (B) nervous tissue 

      (C) muscular tissue 

      (D) epithelial tissue

Q2: Neuron receives and transmits information and messages in the form of

      (A) nerve beats 

      (B) muscular impulses

      (C) nerve impulses 

      (D) nerve processes

CBSE Class 9 - Biology - Plant Tissues (MCQs) (#eduvictors)(#class9biology)(#plantTissues)

CBSE Class 9 - Biology - Plant Tissues (MCQs)

Multiple Choice Questions (MCQs)

Q1: Which of the following has the ability to divide ?

 (a) Xylem

 (b) Phloem

 (c) Meristematic Tissues

 (d) Permanent Tissues

Q2: The growth is plants is

(a) limited to certain regions

(b) uniform in all parts

(c) limited to top region

(d) limited to roots only.