Tag: evs - i

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Multiple choice evs - i growth and personality development heredity and other supporting factors for development all together community work and its importance

Mendelism is related with______________

  1. Heredity in living beings

  2. Meiosis during sexual reproduction

  3. Mutations in living organisms

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Mendel is widely considered a pioneer in the field of genetics. Gregor Mendel, known as the "father of modern genetics," was born in Austria. A monk, Mendel discovered the basic principles of heredity through experiments in his monastery's garden. 
  • His experiments showed that the inheritance of certain traits in pea plants follows particular patterns, subsequently becoming the foundation of modern genetics and leading to the study of heredity.
Multiple choice evs - i growth and personality development heredity and other supporting factors for development all together community work and its importance

The transmission of characters from the parents to their offspring is called as

  1. Heredity

  2. Speciation

  3. Natural selection

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Heredity is the passing of phenotypic traits from parents to their offspring, either through asexual reproduction or sexual reproduction. This is the process by which an offspring cell or organism acquires or becomes predisposed to the characteristics of its parent cell or organism. 
Speciation is the evolutionary process by which new biological species arise. The biologist Orator F. Cook was the first to coin the term 'speciation' .
Natural selection is the differential survival and reproduction (i.e., fitness) of individuals that differ in phenotype. It is a key mechanism of evolution.
Multiple choice evs - i growth and personality development heredity and other supporting factors for development all together community work and its importance

An individual can pass on to its progeny the experiences of its lifetime.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Inherited characters are the characters which is mainly passed from parents to offspring's. Genes are the fundamental unit which carries the information from one generation to the other.
The experiences of life cannot be passed from one generation to another so it cannot be inherited. The experience is created by the situations which can be learnt by training. For example, colour of the eye is inherited character while cooking is an experience and art which can be gained through the training and external exposure.
Multiple choice evs - i growth and personality development heredity and other supporting factors for development all together community work and its importance

Which among the following deals with study of heredity?

  1. Resemblances and differences between the parents and offsprings

  2. Differences between the parents and the offsprings

  3. Resemblances between the parents and the offsprings

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Heredity can be defined as the passing of traits from parents to their offspring, either through asexual reproduction or sexual reproduction. This is the process by which an offspring cell or organism acquires or becomes predisposed to the characteristics of its parent cell or organism. Through heredity, variations exhibited by individuals can accumulate and cause some species to evolve through the natural selection of specific phenotype traits. The study of heredity in biology is called genetics, which includes the field of epigenetics. Study of heredity deals with resemblances and differences between the parents and offsprings. Thus, option A is correct and other options are wrong.

Multiple choice evs - i growth and personality development heredity and other supporting factors for development all together community work and its importance

Cats produces cats. This statement is an explanation for

  1. Heredity

  2. Evolution

  3. Ontogeny recapitulates phylogeny

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cats produces cats. This statement indicates the inheritance of characters from the parents to offspring. Genes are the fundamental unit which carries the characters from one generation to the other. This tendency of inheritance of genotypic and phenotypic character is known as heredity.

Multiple choice evs - i growth and personality development heredity and other supporting factors for development all together community work and its importance

The transmission of traits from parents to offspring is called ____

  1. Characteristic

  2. Heredity

  3. Donation

  4. Both A and B
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

During sexual reproduction, traits from parents are transmitted to offspring. These are combinations of male and female parent. This is called heredity.

Multiple choice evs - i growth and personality development heredity and other supporting factors for development all together community work and its importance

I. Suntanned skin is hereditary.
II. Crowning of hair is hereditary.

  1. I and II both are true

  2. I and II both are false

  3. I is false and II is true

  4. I is true and II is false
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Suntanned skin comes from interaction between persons phenotype and sun. Crowning of hairs is a characteristic transferred to son from father.
So, the correct answer is 'I is false and II is true'
Multiple choice evs - i growth and personality development heredity and other supporting factors for development all together community work and its importance

Heredity is seen in ______

  1. Sexual reproduction

  2. Asexual reproduction

  3. Vegetative propagation

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Transfer of genetic makeup from one generation to another is called heredity. Genes are found on Chormation fibre i.e DNA. All living being have tendency to transfer DNA during sexual or asexual reproductions.

Multiple choice evs - i growth and personality development heredity and other supporting factors for development all together community work and its importance

Besides activating the egg, another role of a sperm is to carry

  1. RNA

  2. Mitochondria

  3. DNA

  4. Ribosomes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A sperm's function is to swim upwards the vaginal canal and deposit genetic material (DNA) within the egg. The midbody contains the vast stores of mitochondria needed for such an exhausting process, the tail allows for swimming, the head contains the genetic material and the acrosome, which uses enzymes to break through the egg's zona pellucida.

Multiple choice evs - i growth and personality development heredity and other supporting factors for development all together community work and its importance

What does 'Eugenics' pertains to?

  1. Improvement of mankind by improving his heredity

  2. Preservating human sperms for artificial insemination

  3. Study of human genetics

  4. Controlling size of a human family
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Eugenics is a social philosophy advocating the improvement of human genetic traits through the promotion of higher reproduction of people with desired traits and reduced reproduction of people with less-desired or undesired traits.