EASY
Earn 100

Give some examples of corms.

Important Questions on Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.

MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Write two changes that occur in teenage boys during the period of Adolescence.
MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Which one of the following statements is correct regarding sexual reproduction?
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Select the correct pair and write it -
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.

The diagram represents the lifecycle of angiosperm. Choose the correct combination of labelling?

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MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.

What is the process of reproduction in amoeba? What are the advantages of sexual reproduction over asexual reproduction?

HARD
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Draw a labelled diagram of vertical section of a flower and explain its various parts.
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Select which of the following is the feature of cross pollination
MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
What changes are seen among the girls during adolescent age/puberty ?
HARD
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Answer the following question:
Write the changes that occur in the age group 11 to 21 years in boys.
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
What is vegetative reproduction? Explain any three natural methods of vegetative reproduction with the help of suitable diagrams.
HARD
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
A tall Eucalyptus tree cannot be grown from its stem because
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Name one reproductive and one vegetative part of a plant.
MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Sam planted rose leaves in a pot to grow a rose plant. Do you think he would be able to grow it?
MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Which one of the following statements is correct with respect to the plant species and its use?
HARD
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Nowadays artificial methods have been developed for vegetative reproduction. Explain the types of artificial reproduction.
MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
You know that in humans, reproduction requires two parents. Is it same in plants?
HARD
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
A small piece of root tissue is taken from an oil palm tree and placed in a nutrient medium. Each small piece produces a new oil palm tree. What type of reproduction is this and how will the genotype of the new tree be in comparison to the parent tree?
HARD
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.

Grafting is a technique used to increase the numbers of a particular variety of plant. A stem cutting, from a commercially grown fruit tree, P was grafted onto the roots of a non-commercial tree Q.

a) What is the type of reproduction shown in this process? 
b) If the new tree bears fruits, which variety will the fruits would be produced - commercial or non-commercial? Why?
c) List three ways to ensure that grafting in the above case is successful? 
d) Which other technique, similar to grafting, can be used to increase fruit production? 

MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Explain vegetative propagation with the help of examples.
MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.>Growth and Development of Organisms - Animals engage in characteristic behaviors that increase the odds of reproduction. Plants reproduce in a variety of ways, sometimes depending on animal behavior and specialized features for reproduction.
Write any three advantages of vegetative propagation in plants.