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Sclerenchyma tissues in plants is for
How many molecules of oxygen are required for the aerobic respiration of three molecules of glucose?
Four cells each with osmotic potential of about 3% salt solution was immersed respectively into solutions of different concentrations as follows:
I - 1% salt solution; II - 3% salt solution; III - 6% salt solutuon; IV - 10% salt solution.
If the cells are plant cells, what would happen to the cell in solution III? It would become
Four cells each with osmotic potential of about 3% salt solution was immersed respectively into solutions of different concentrations as follows:
I - 1% salt solution; II - 3% salt solution; III - 6% salt solutuon; IV - 10% salt solution.
Which of the solutions will cause an increase in osmotic pressure within the cell?
The functions of vacuoles in plants are storage and
The diagram above is an illustration of a dicot leaf. Study it and answer the question below.
The part that contains the phloem and xylem is labelled
The diagram above is an illustration of a dicot leaf. Study it and answer the question below.
The parts labelled I,II,III and IV respectively are
The diagram above is an illustration of the nymph of an insect. Study it and answer the question below:
The growth process that would occur in the organism before it becomes an adult is
The diagram above is an illustration of the nymph of an insect. Study it and answer the question below:
The organism illustrated is a stage in the
The Genus into which man is classified is
Which of the scientists were involved in the study of evolution?
Scientist Famous work
I. Charles Darwin → Preservation of some food with heat
II. Gregor Mendel → Natural selection
III. Jean Baptiste Lamarck → Inheritance of acquired characteristics
IV. Louis Pasteur → Independent assortment of genes.
In a test, a student paired some scientists with their famous work as shown below. Use it to answer questions 49 and 50.
Scientist Famous work
I. Charles Darwin → Preservation of some food with heat
II. Gregor Mendel → Natural selection
III. Jean Baptiste Lamarck → Inheritance of acquired characteristics
IV. Louis Pasteur → Independent assortment of genes.
The Scientists that are not correctly paired with their famous work are
Which type of breeding is represented by industrial melanism in peppered moths?
The male and female gametes which bear genes for inheritance in plants are located in the
Mutation leads to evolution because it
The physical appearance of an organism is described as its
Which of the following statements is correct about the cross?
The diagram above is an illustration of genetic cross between two parents. The parental gametes I, II, III and IV gave rise to the offspring below. Study it and answer questions 43 and 44.
Gametes I, II, III and IV, respectively are
A woman with blood group A gives birth to a child with blood group O. Which of the following blood groups cannot belong to the father?
Which of the following statements is correct about the ABO blood group system?