Identify the INCORRECT statement. - Biology


Identify the INCORRECT statement.


  • Brunner's glands are present in the submucosa of stomach and secrete pepsinogen.

  • Goblet cells are present in the mucosa of intestine and secrete mucus.

  • Parietal cells are present in the mucosa of stomach and secrete HCl.

  • HCl stops the action of salivary amylase.



Brunner's glands are present in the submucosa of stomach and secrete pepsinogen.


Brunner's glands are located in the duodenum (small intestine) and emit a mucous-based alkaline fluid.

  Is there an error in this question or solution?


Which mode of reproduction gives rise to variation?

Give the importance of variation in survival of species.

Complete the following table to get the differences between asexual and sexual reproduction:

Characteristics Asexual Reproduction Sexual Reproduction
Number of parents involved ........................... ..............................
Type of cells involved Somatic cells Germ cells
Type of cell division ............................ Meiosis and mitosis

What is meant by sexual reproduction?

Name two main processes of sexual reproduction

What is amphimixis?

Describe the process of fertilization in human beings.

Choose the most appropriate answer.

The number of nuclei present in a zygote is

Indicate whether the following statements are True (T) or False (F).

Oviparous animals give birth to young ones. ( )

Indicate whether the following statement is True (T) or False (F).

Each sperm is a single cell. ( )

Indicate whether the following statement is True (T) or False (F).
A new human individual develops from a cell called gamete. ( )

Indicate whether the following statement is True (T) or False (F).

A zygote is formed as a result of fertilization. ( )

Indicate whether the following statement is True (T) or False (F).
An embryo is made up of a single cell. ( )

Give two differences between a zygote and a foetus.

In which female reproductive organ does the embryo get embedded?

Differentiate between internal fertilization and external fertilization.

List any four steps involved in sexual reproduction .

Advantages of  sexual reproduction.

Explain how in sexually reproducing organisms the number of chromosomes in the progeny is maintained.

What is the name of sex cells (other than gametes)?

Name the male and female gametes in animals.

In which sort of reproduction are gametes involved?

Describe the various steps involved in the sexual reproduction in animals. Draw labelled diagrams to show the fertilisation of an ovum (or egg) by a sperm to form a zygote

Characters that are transmitted from parents to offspring during sexual reproduction show :
(a) only similarities with parents
(b) only variations with parents
(c) both similarities and variations with parents
(d) neither similarities nor variations with parents

Put a tick mark (✓) against the correct alternative in the following statement:

Amoeba is most commonly reproduced by:

Distinguish between the following pair of terms:

Budding and Regeneration.

What is the function of uterus?

How does a single called fertilized egg grows into an adult human body?

Multiple choice question. Tick (✓) the correct choice:

Butterfly in its development from larva to an adult shows

  1. multiplication
  2. metamorphosis
  3. fertilisation
  4. none of the above

Define the term Adolescence.

Mention the functions of Oviduct.

Name the organ involved in the following:

Fertilisation of ovum by tile sperm.

Mention the changes which occur during adolescence in humans.

Adolesecence is considered a critical stage in the life of boys and girls. Explain this statement.

What is sexual reproduction? List its four significances.

“The chromosomes number of the sexually reproducing parents and their offspring is the same.” Justify this statement. 

Sketch and label the diagram showing self- and cross-pollination.

In the sexual mode of reproduction, greater diversities are generated.

Answer in one sentence.

Outline the path of sperm upto the urethra.

Answer in one sentence.

Name the endocrine glands involved in maintaining the sex characteristics of males.

Answer in one sentence.

Enlist the external genital organs in the female.

Answer the following question.

Explain the histological structure of ovary in human.

Answer the following question.

Which is the function of male accessory glands?

Answer the following question.

Explain the following parts of male reproductive system along with labelled diagram showing these parts- Testis, vasa deferentia, epididymis, seminal vesicle, prostate gland and penis.

What is atresia with respect to ovary in human females?

Describe the histology of testis with help of labelled diagram.

Identify the labels from the given diagram.

Which are the components of pollination?

Animals which give birth to young ones directly are named as ______.

What are the different stages of sexual reproduction?

Which organs/glands produce eggs and sperms?

In an ovule, meiosis occurs in ______

Due to presence of which of the following chemical component, pollen grains can remain well preserved in fossil?

Testosterone is produced by ____________.

Which of the following is the male accessory gland?

Match column -1 with column - II and select the correct option.

  Column - I   Column - II
1. Seminal vesicles a. Membranous urethra
2. Scrotum b. Thermoregulatory
3. Tunica vaginalis c. Fibro muscular pouches
4. Cowper's gland d. Peritoneal covering

______ is the first stage of sexual reproduction.

______ fertilisation takes place in frogs and fish.

The zygote divides repeatedly into a group of cells, which develops into different tissues and organs constituting a full body. This structure is known as ______.

Animals in which an embryo develops outside the body are called ______ animals.

Name the two ways by which fertilisation in animals takes place.

What is external fertilisation?

What are oviparous animals?

Explain the two types of fertilization.

Which is a better mode of reproduction, sexual or asexual? Why?


      Forgot password?
Use app×