Exercise: How do Organism Reproduce?

Multiple Choice Questions

Welcome to your How do Organism Reproduce?

The anther contains-

A sexual reproduction through small buds takes place in-

Which of the following is not a part of the female reproductive system in human being?

Plants that have lost their capacity to produce seeds, reproduce by-

Where does fertilisation take place in human beings?

The common passage for sperms and urine in the male reproductive system is-

Which part of the flower ripens to form a fruit?

The information source for making protein is-

Which reproduction method occurs in Amoeba?


Fill in the Blanks

  1. Hydra reproduces by ________.  
  2. The full form of DNA is ________.
  3. In vegetative propagation, plants produced are _______ similar to parents.
  4. The fertilized egg gets implanted in the lining of the _______.
  5. _______  leads to the creation of new individuals in unicellular organisms.
  6. The fusion of male gamete and female gamete is called _______.
  7. The pollen grains of one flower are transferred to another flower, then this is called ______.
  8. Asexual reproduction takes place through budding in _______.
Answers

(1). Budding, (2). Deoxyribo Nucleic Acid, (3). Genetically, (4). Uterus, (5). Fission, (6). Fertilisation, (7). Cross pollination, (8). Hydra


True/ False

  1. Cells use chemical reactions to build copies of their DNA. (T/ F)
  2. Stamens and pistil are the reproductive parts of a flower.” (T/ F)
  3. Amoeba reproduces sexually. (T/ F)
  4. If the fallopian tube in the female is blocked, the egg will be able to reach the uterus. (T/ F)
  5. The embryo gets nutrition from the mother’s blood with the helps of a special tissue called placenta. (T/ F)
  6. Full form of D.N.A. is Deoxyribose Nucleic Acid. ” (T/ F)
  7. Hydra can be cut into many pieces each piece grows into a complete organism. This is known as regeneration. (T/ F)
Answers

(1). True, (2). True, (3). False, (4). False, (5). True, (6). True, (7). True


One-Word Answer

  1. Is fertilization possible without pollination?
  2. What is the role of prostate gland?
  3. Which part of the flower develops into a seed and a fruit?
  4. Which structures need to be blocked in males and females respectively to prevent pregnancy?
  5. Give an example of an organism which reproduces by fragmentation.
  6. Out of the following plants which two plants are reproduced by vegetative propagation? Jasmine, Wheat, Mustard, Banana.
  7. How many days are the period of menstruation?
  8. From where does the embryo get nutrition?
Answers
  1. No, fertilization is followed by pollination.
  2. It adds alkaline secretion into the semen which is essential for sperm activity.
  3. Ovule develops into a seed, while ovary ripens to form a fruit.
  4. Vas deferens in males (Vasectomy), fallopian tube in females (Tubectomy).
  5. Spirogyra
  6. Jasmine, Banana
  7. 2 to 8 days
  8. placenta

Match the column

Section ASection B
1). Bisexual Flower  a). Ovule 
2). Reproduction in hydra  b). Hibiscus  
3). Female  c). Budding
4). Regeneration  d). Planaria  
5). Unisexual flower e). Binary fission  
6). Male  reproductive part  f). Testes
7). Amoebag). Papaya
Answers

(1). > (b), (2). > (c), (3). > (a), (4). > (d), (5). > (g), (6). > (f), (7). > (e)