Post Utme Ladoke Akintola University of Technology Biology Past Questions and Answers

Question 11:

The ratio of carriers to sucklers in the F2 generation derived from a parental cross at two carriers of haemoglobin \(S\) gene is ____________

A. \(3: 1\)
B. \(1: 3\)
C. \(2: 1\)
D. \(1: 2\)

Question 12:

In which part of a legurninous plant can bacteria like Azotobacteria be found ?

A. Spongy mesophyll
B. Root nodes
C. Stern internodes
D. Stem nodes

Question 13:

In a dicotyledonous stem, companion cells are found close to the ____________

A. Endodermal cells
B. Silver tubes
C. Xylem vessels
D. Pericyclic fibres

Question 14:

The position occupied by an organism In a food chain is referred to as ____________

A. Trophic level
B. Niche level
C. Energy level
D. Feed level

Question 15:

All these are components of blood except ____________

A. Plasma
B. Erythrocytes
C. Leucocytes
D. Fibrin