2.
______ is the main chemical components of the primary plant cell wall.
3.
On of the following is not an example of DNA Replication
4.
The study of detailed structure of tissues making up a particular organ is
5.
During his experiment, Hooke actually saw the dead cell walls of plant cells (cork), and he published these description in a book called
6.
The Botanical name of Sugarcane is
7.
Transpiration is high under which of the following conditions
8.
All but one of the following statements is correct
9.
The DNA is a three dimensional structure that is accepted today and for which a nobel prize was later awarded, was first proposed and demonstrated by_____
10.
Protein contain the following elements except
11.
According to specific pairing in DNA molecules
12.
One of the following is absent in chemical combination of DNA
13.
Some prokaryotes have a variety of shapes and sizes, this is referred to as
14.
Which of the three conclusions of Theodore Schwann about cells was proven wrong?
15.
The group of organism that inhabit a particular area and interact with one another form a?
16.
The terms 'in vivo' and 'in vitro' means _____ and _____ respectively
17.
Under blue light, Charles A. Spencer microscope could produce magnification up to about
18.
One of the following scientific discoveries was mismatched
a. 1674 – Leeuwenhoek discovered protozoa.
b. 1838 – Schleiden and Schwann proposed cell theory.
c. 1858 – Rudolf Virchow expounds his theory
d. 1959 – Siemens produced the first commercial TEM
e. 1965 – Cambridge Instruments produced the first SEM
f. 1985 – Tsien identifies mutant of GFP
g. 1989 – Hamilton and Baulcombe discover siRNADeselect Answer
19.
According to Griffith’s experiment in 1928 the mouse lives when
(i) injected with rough strain bacteria
(ii) injected with smooth strain bacteria
(iii) heat killed smooth bacteria +non heat killed Rough bacteria injected in mouse
(iv) injected with heat-killed smooth strain bacteriaDeselect Answer
20.
One of the following statements is incorrect
Hint
21.
The molecule called deoxyribonucleic acid (DNA) was discovered by Friedrich miescher in
22.
--------- is known as the father of microscopy
23.
One of the following is incorrect about the difference between RNA and DNA
24.
How many bases makes a codon?
25.
The vegetable with botanical name Allium cepa is
26.
All the following are light illuminated except
27.
The finest known lenses that were produced around 1632-1723 produced magnifications up to about
28.
Thymine (T) and Cytosine (C) are 2 types of
Hint
29.
Avery, Macleod and Mccarty showed that the transforming principles consist entirely of DNA in what year?
30.
When a homozygous tall plant was crossed with a homozygous dwarf plant, the f1 offspring were selfed to produce the f2 offspring. What is the phenotypic and genotypic ratios respectively?